Triggering module, balancing module and fire sprinkler
By optimizing the design of the triggering and balancing modules, including ball bearing grooves and detachable seat connections, the problem of inconvenient fire sprinkler assembly has been solved, achieving convenient and stable assembly and triggering effects.
Patent Information
- Application Number
- CN202422596309.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-10-24
AI Technical Summary
Existing fire sprinklers are inconvenient to assemble, making it difficult to achieve stable triggering and easy assembly.
A trigger module and a balance module were designed. The trigger module includes a trigger block, a trigger element, and a limit element. Uniform contact is achieved through the design of ball grooves and balls. The balance module adjusts the height through an adjustment part. The detachable connection between the seat and the pressure cover and the limit structure optimize the assembly process.
It improves the ease of assembly of fire sprinklers, ensures stable triggering of the trigger module, reduces assembly difficulty, and achieves a more stable sealing effect.
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Figure CN223586473U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of fire-fighting equipment, in particular to a trigger module, a balance module and a fire sprinkler. BACKGROUND
[0002] The trigger module designed by the applicant in recent years has the advantages of large pressure bearing and small size, so that the assembled fire sprinkler has market prospects.
[0003] The applicant has made every effort to optimize the design of the trigger module and the overall fire sprinkler, and has researched the stable triggering and convenient use of the fire sprinkler, and has developed a better fire sprinkler, simplified assembly and stable structure triggering.
[0004] Therefore, the technical problem of the prior art is how to improve the assembly convenience of the fire sprinkler. SUMMARY
[0005] The fire sprinkler provided by the embodiments of the present application solves the technical problem of how to improve the assembly convenience of the fire sprinkler in the prior art, and achieves the technical effect of improving the assembly convenience of the fire sprinkler.
[0006] The trigger module provided by the embodiments of the present application comprises two trigger blocks, a trigger piece and a limiting piece, wherein the two trigger blocks are arranged in parallel and form the outer contour of the trigger module, the trigger piece is arranged between the two trigger blocks to limit the relative contraction of the two trigger blocks, and the limiting piece is arranged on the two trigger blocks to limit the relative expansion of the two trigger blocks.
[0007] The balance module provided by the embodiments of the present application comprises a balance plate and a force receiving piece, wherein the center of the balance plate is provided with a threaded hole, the force receiving piece comprises a force receiving part located at the front part and an adjusting part located at the rear part, the adjusting part is threadedly connected to the threaded hole, and the overall height of the balance module is adjusted by the adjusting part.
[0008] Preferably, the force receiving part and the adjusting part are integrally formed, or the force receiving part and the adjusting part are integrally processed.
[0009] The embodiment of the present application provides a fire sprinkler, which comprises a seat body, a containing cavity with a containing opening arranged in the seat body, a plug arranged in the containing cavity, and a trigger module arranged in the containing cavity and directly or indirectly abutting against the plug to achieve the sealing of the fire sprinkler by abutting against the plug; the trigger module has two states of untriggered and triggered, and the size of the trigger module in the triggered state is reduced or the components of the trigger module are disassembled relative to the trigger module in the untriggered state; the containing opening is located below the gravity direction of the trigger module, and the containing opening has at least a first opening size which is smaller than the maximum width size of the trigger module in the untriggered state and projected on the containing opening, so that the trigger module is limited in the containing cavity.
[0010] Preferably, the seat body is divided into a base and a gland, and the base and the gland form the containing cavity; the gland and the base are detachably connected.
[0011] Preferably, the gland and the base are threadedly connected, the gland abuts against the trigger module to make the trigger module abut against the plug.
[0012] Preferably, the containing opening further has a second opening size which is greater than or equal to the maximum width size of the trigger module in the untriggered state and projected on the containing opening, so that the trigger module enters the containing cavity through the containing opening.
[0013] Preferably, the outer side surface of the trigger module is provided with an abutting part which is convex outward or concave inward, and the seat body abuts against the abutting part to limit the position of the trigger module in the containing cavity.
[0014] Preferably, the contact surface between the abutting part and the seat body is a slope which points to the containing opening from outside to inside.
[0015] Preferably, the trigger module comprises two trigger blocks arranged in a spaced manner and forming the outer contour of the trigger module, a trigger piece arranged between the two trigger blocks to limit the relative contraction of the two trigger blocks, and a limiting piece arranged on the two trigger blocks to limit the relative expansion of the two trigger blocks; the part of the trigger block for abutting against the trigger piece is arranged outside the containing cavity, so that the trigger piece is located outside the containing cavity.
[0016] Preferably, the trigger module includes: two trigger blocks spaced apart and forming the outer contour of the trigger module; a trigger member positioned horizontally between the two trigger blocks to restrict the two trigger blocks from retracting relative to each other; and a limiting member disposed on the two trigger blocks to restrict the two trigger blocks from expanding relative to each other; wherein, the bottom surface of each trigger block has one or more ball grooves, in which balls are movably disposed, and the balls protrude from the bottom surface of the trigger block.
[0017] Preferably, a balancing module is provided between the trigger module and the plug. The balancing module includes: a balancing plate with a threaded hole at its center; and a force-bearing component, which includes a force-bearing part located at the front and an adjusting part located at the rear. The adjusting part is threadedly connected to the threaded hole, and the gap between the trigger module and the plug is adjusted by the adjusting part.
[0018] The above-described one or more technical solutions in the embodiments of this application have at least one or more of the following technical effects:
[0019] 1. In this application, a ball groove is provided on the bottom surface of the trigger module so that the balls can slide within a certain range. This allows the trigger module to more evenly contact the balance module when it presses against the inlet of the balance module, reducing the assembly difficulty between the trigger module and the balance module and also facilitating stable triggering. Alternatively, the structure of the balance module can be improved by using an adjustment part to adjust the overall height of the balance module, thereby allowing the overall height of the plug, balance module, and trigger module to be adjustable, and providing room for adjustment of the limiting relationship between the trigger module and the base. Or, by changing the structure of the base, the adjustable connection between the base and the gland can be used to limit the position of the trigger module, facilitating the fixation of the trigger module by the base. This solves the technical problem of how to improve the assembly convenience of fire sprinklers in the prior art and achieves the technical effect of improving the assembly convenience of fire sprinklers. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the front view section structure of a fire sprinkler head;
[0021] Figure 2 for Figure 1 Schematic diagram of the upper middle section;
[0022] Figure 3 This is a top-view structural diagram of the trigger module;
[0023] Figure 4 This is a schematic diagram of the main view section structure of another type of fire sprinkler head;
[0024] Figure 5This is a top view schematic diagram of the structure connecting a trigger module and a base.
[0025] Figure 6 This is a top-view structural diagram of another type of trigger module;
[0026] Figure 7 This is a top view of the structure of the first limiting member on the trigger block;
[0027] Figure 8 for Figure 7 Another top view schematic diagram of the structure after the first limiting component has deformed;
[0028] Figure 9 This is a top-view structural diagram of the third type of triggering module;
[0029] Figure 10 This is a schematic diagram of the main view section structure of the third type of fire sprinkler head;
[0030] Figure 11 A schematic diagram of the trigger module from a bottom-up view;
[0031] Figure 12 This is a schematic diagram of the balancing module.
[0032] Figure 13 This is a schematic diagram of the front view section structure between the cover plate and the trigger module;
[0033] Figure 14 for Figure 13 A top view of the trigger module.
[0034] Reference numerals: 100, base; 11, base; 111, through cavity; 12, gland; 121, gland thread; 13, receiving cavity; 14, receiving opening; 200, plug; 300, water distribution module; 31, water distribution tray; 32, water distribution rod; 400, balancing module; 41, balancing plate; 42, force-bearing component; 421, adjusting part; 422, force-bearing part; 500, trigger module; 51. Trigger block; 511, contact part; 512, first connecting part; 5121, limit member slot; 513, second connecting part; 514, ball groove; 52, trigger member; 53, limit member; 531, first limit member; 5311, limit member locking part; 532, second limit member; 5321, cover plate slot; 54, contact member; 55, ball; 600, cover plate; 61, cover plate locking part. Detailed Implementation
[0035] The serial numbers of components in this document, such as "first", "second", etc., are only used to distinguish the described objects, and have no technical meaning. Unless otherwise specified, "connection" and "coupling" in this application include direct and indirect connections (couplings). In the description of this application, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on this application.
[0036] In this application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or simply indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or simply indicate that the horizontal height of the first feature is less than that of the second feature.
[0037] In order to better understand the above technical solutions, the above technical solutions will be described in detail in combination with the drawings and specific embodiments of the specification.
[0038] Reference Figure 1 The fire sprinkler includes a seat body 100, a plug 200, a balance module 400, a trigger module 500, and a cover plate 600. The seat body 100 is provided with a containing cavity 13 with a containing opening 14. The plug 200, the balance module 400, and the trigger module 500 are sequentially in contact to form a sealing assembly in the containing cavity 13. The cover plate 600 is connected to the trigger module 500 or the seat body 100 to cover the trigger module 500 and the seat body 100, achieving an aesthetically pleasing appearance. The triggering principle of the fire sprinkler can be simply summarized as follows: the trigger module 500 is triggered by high temperature and is ejected from the containing opening 14, thereby causing the balance module 400 and the plug 200 to lose support and be ejected in turn, resulting in failure of the sealing assembly, and water in the fire pipe network is ejected outward through the seat body 100.
[0039] The seat body 100, as the basic framework of the fire sprinkler, is used to accommodate and connect other parts. Referring to Figure 1, the seat body 100 is divided into a base 11 and a cover 12 with a containing opening 14, and the base 11 and the cover 12 form a containing cavity 13; wherein the cover 12 and the base 11 are detachably connected, which is convenient for opening the containing cavity 13, so that the parts that cannot or are inconvenient to enter the containing cavity 13 through the containing opening 14 can be conveniently placed in the containing cavity 13. Second, the position of the cover 12 relative to the base 11 can be adjusted, so that the depth of the containing cavity 13 can be adjusted. When the cover 12 is used to press the trigger module 500 or is used to thread the trigger module 500, the position of the trigger module 500 relative to the balance module 400 can be adjusted appropriately, which is beneficial to offset the size deviation during production of parts, so that the assembly is more smooth.
[0040] For example, referring to Figure 2 The connection mode of the cover 12 and the base 11 is threaded connection, which is stable connection between the cover 12 and the base 11, and the position of the trigger module 500 in the containing cavity 13 can be pressed by screwing the cover 12, so that the entire fire sprinkler is in a tightly assembled state. And because the cover 12 is a complete whole, compared with the previous structure of setting threads on the outside of the trigger module 500, the threads on the cover 12 are easy to process, reducing the processing difficulty; and the whole threaded structure is more convenient to assemble, avoiding the situation that the threads on the two trigger blocks 51 do not connect smoothly. It can be understood that the threaded connection and the pressing method can be designed to connect the middle and lower parts or the lower part of the seat body 100 and the trigger module 500, so that the upper part or the middle and upper part of the trigger module 500 is exposed outside the containing cavity 13, and the trigger piece 52 is located in the part exposed outside the containing cavity 13, so that the trigger piece 52 can more sensitively sense the environmental problems.
[0041] Specifically, the details of the containing opening 14 provided on the cover 12 are described with reference to Figure 2 and Figure 3 ; first, in order to normally press the trigger module 500 with the cover 12 provided with the containing opening 14, the containing opening 14 needs to satisfy that the projection of the containing opening 14 on the trigger module 500 does not completely cover the trigger module 500, in other words, the containing opening 14 at least has a first opening size, which is smaller than the maximum width size of the trigger module 500 in the non-triggered state projected on the containing opening 14, so that the trigger module 500 is limited in the containing cavity 13; that is, part of the cover 12 needs to press the trigger module 500. Second, in order to make the trigger module 500 can be pulled out from the containing opening 14 after triggering, the containing opening 14 is preferably located below the gravity direction of the trigger module 500, and the first opening size is preferably greater than the width size of the two trigger blocks 51 after being contracted, so as to facilitate the pulling out.
[0042] It needs to be particularly pointed out that, in addition to the above-mentioned placement and limitation of the trigger module 500 by constructing the cover 12, the design of the shape of the accommodation opening 14 can also be used to place and limit the trigger module 500, which will be described in detail with reference to Figure 4 and Figure 5 In the top view, the size of the accommodation opening 14 in the left-right direction is the first opening size, and the size of the accommodation opening 14 in the front-rear direction is the second opening size. The second opening size is greater than or equal to the maximum width size of the trigger module 500 in the untriggered state projected on the accommodation opening 14, so as to facilitate the placement of the trigger module 500. It can be understood that the outer side of the trigger module 500 is provided with an outer convex abutting portion 511, the abutting portion 511 first enters the accommodation cavity 13 from the range of the second opening size, and after rotating the trigger module 500 by 90°, the abutting portion 511 is limited in the range of the first opening size of the accommodation opening 14. Of course, this kind of placement and rotation limiting assembly structure is preferably provided with an elastic filler to ensure that the trigger module 500 is reliably limited in the accommodation cavity 13 after being placed.
[0043] The balance module 400 is used to evenly act on the plug 200 from the trigger module 500. Referring to Figure 4 , the balance module 400 includes a balance plate 41 and a force receiving member 42, the force receiving member 42 includes a force receiving portion 422 located at the front and an adjusting portion 421 located at the rear, the force receiving portion 422 is used to abut against the plug 200, and the adjusting portion 421 is used to be adjustably connected (such as threaded connection) with the center of the balance plate 41. The overall height of the balance module 400 is adjusted through the adjusting portion 421, so as to flexibly adjust the overall height of the plug 200, the balance module 400 and the trigger module 500.
[0044] It can be understood that, referring to Figure 12 , the force receiving portion 422 and the adjusting portion 421 are integrally formed, or the force receiving portion 422 and the adjusting portion 421 are processed into an integral whole; and preferably, the contact surface of the force receiving portion 422 relative to the plug 200 is an arc surface, so as to uniformly and gently abut against the plug 200.
[0045] The trigger module 500, referring to Figure 2 and Figure 4 , the trigger module 500 is arranged in the accommodation cavity 13, and the trigger module 500 directly or indirectly abuts against the plug 200, so as to achieve the sealing of the fire sprinkler through the abutment against the plug 200; and the trigger module 500 has two states of untriggered and triggered, referring to Figure 6 and Figure 8, relative to the trigger module 500 in the non-trigger state, the trigger module 500 in the trigger state is reduced in size or disassembled. Specifically, the trigger module 500 includes a trigger block 51, a trigger piece 52, and a limiting piece 53. The trigger block 51 is provided with two blocks, and the two trigger blocks 51 are arranged at intervals and constitute the outer contour of the trigger module 500. The trigger piece 52 is transversely arranged between the two trigger blocks 51 to limit the relative contraction of the two trigger blocks 51. The limiting piece 53 is arranged on the two trigger blocks 51, and the limiting piece 53 is provided with one or more, and at least one of the aforementioned limiting pieces 53 is fixed on the trigger block 51, which has a tendency to shrink inward, so that the two trigger blocks 51 have a tendency to contract.
[0046] Regarding the limiting mode between the trigger module 500 and the seat body 100, in addition to the threaded connection between the trigger module 500 and the seat body 100, a height-limited accommodating cavity 13 can also be constructed to limit the position of the trigger module 500. It can be understood that when the accommodating cavity 13 is constructed to limit the position of the trigger module 500, one is to resist the end face of the trigger block 51, and the other is that the outer side face of the trigger block 51 is provided with an outward protruding or inward recessed abutting portion 511, which makes the trigger module 500 be limited in position by the external force brought by the seat body 100. Among them, regarding the abutting surface between the trigger module 500 and the accommodating cavity 13, the contact surface between the trigger module 500 and the accommodating cavity 13 is preferably a slope that points from the outside to the inside of the accommodating opening 14, so that when the water network pressure is transmitted to the trigger module 500 through the plug 200 and the balance module 400, a component force is generated to make the trigger module 500 contract, so that the contraction action of the trigger module 500 after triggering is more reliable and stable, and it is beneficial for the trigger block 51 to be pulled out of the accommodating opening 14.
[0047] The limiting piece 53 is used to limit the position state between the two trigger blocks 51, referring to Figure 2 and Figure 6 The limiting piece 53 includes a first limiting piece 531 and a second limiting piece 532, at least one of the first limiting piece 531 and the second limiting piece 532 has the ability to elastically deform, so that the trigger block 51 has a tendency to shrink inward. Preferably, the first limiting piece 531 and the second limiting piece 532 are arranged at intervals, and the trigger piece 52 is located between the first limiting piece 531 and the second limiting piece 532. For example, the trigger piece 52 is arranged at the middle part of the two trigger blocks 51, the first limiting piece 531 is arranged at the lower part of the two trigger blocks 51, and the second limiting piece 532 is arranged at the upper part of the two trigger blocks 51; the upper and lower limiting pieces are used to ensure that the two trigger blocks 51 where the trigger piece 52 is arranged are in a stable state, and constitute an assembly unit that can exist independently, which is convenient for later assembly into the seat body 100 in the form of the trigger module 500.
[0048] As to the elastic deformation ability of the limiting piece 53, the limiting piece 53 can adopt a circlip, and the two trigger blocks 51 are clamped by the deformed circlip, that is, the two trigger blocks 51 can be limited to expand outward in the complete state of the trigger module 500, and it is also beneficial to promote the two trigger blocks 51 to be inwardly retracted after the trigger piece 52 is broken and fails.
[0049] It should be noted that if only one limiting piece 53 has the ability to be elastically deformed and inwardly retracted, the two trigger blocks 51 will not only be closer to each other after triggering of the trigger module 500, but also be inclined to each other, so that the response speed of the trigger block 51 on one side is fast. Especially in the case where the trigger module 500 is limited by the abutting part 511 and the seat body 100, the inclined contact surface between the abutting part 511 of the trigger block 51 and the seat body 100 is used to realize the flip-out, so that the flip-out is more stable. In addition, the structure design of the unilateral limiting piece 53 which can be inwardly retracted is beneficial to reduce the stress of the trigger piece 52 in the untriggered state. The reason is that the limiting piece 53 with elastic deformation ability will promote the two trigger blocks 51 to be inwardly retracted under the action of the inward retraction force, and the retraction of the trigger block 51 will bring pressure to the trigger piece 52, resulting in that the trigger piece 52 needs to bear the compression pressure. If both of the two limiting pieces 53 have the ability to be elastically deformed and inwardly retracted, the pressure bearing of the trigger piece 52 will be further increased, which affects the working stability of the trigger module 500 and also affects the assembly of the trigger module 500.
[0050] Based on the foregoing description of the limiting piece 53, for example, the first limiting piece 531 is designed to have elastic deformation ability, so that the trigger module 500 is retracted; the second limiting piece 532 is designed to be arranged on the two trigger modules 500 to limit the outward expansion of the two trigger modules 500; in other words, the first limiting piece 531 is a circlip with elastic deformation ability, and the circlip is clamped on the two trigger modules 500 in the state of elastic deformation; the second limiting piece 532 is a clasp ring, and the inner ring of the clasp ring is sleeved on the two trigger modules 500.
[0051] As to how the first limiting piece 531 is fixed on the trigger block 51, one type is as shown in Figure 7 The trigger block 51 is provided with a first connecting part 512 relative to the first limiting piece 531, and the first limiting piece 531 has an elastic deformation wrapping cavity which wraps at least part of the first connecting part 512 on the two trigger blocks 51. Another type is as shown in Figure 9 The first connecting part 512 is provided with a limiting piece clamping groove 5121, and the limiting piece 53 clamping part of the first limiting piece 531 and the limiting piece clamping groove 5121 are recessed and protruding clamped; wherein the limiting piece 53 clamping part can be outwardly protruding or inwardly recessed. It can be understood that the above two structures can be used together.
[0052] It is also necessary to emphasize that if the first limiting member 531 is designed to limit only, and the second limiting member 532 has the ability to deform and shrink, it is also feasible; in other words, the first limiting member 531 can be set as a snap ring, and the second limiting member 532 can be set as a snap spring or a traditional elastic spring.
[0053] On the other hand, in addition to designing multiple limiting members 53 to prevent expansion, one limiting member 53 to prevent expansion and one limiting member 53 to prevent shrinkage can also be designed; specifically, the limiting member 53 to prevent expansion limits the middle part of the trigger block 51, and the trigger member 52 and one limiting member 53 to prevent shrinkage are arranged on the upper and lower parts of the trigger block 51 respectively. In addition, it is also feasible to use only one limiting member 53 to prevent expansion to form a mechanical balance structure with the limiting member 53 to prevent shrinkage. Specifically, the trigger member 52 is arranged between the two trigger blocks 51, and the limiting member 53 to prevent expansion is arranged outside the trigger member 52, and the pressure of the limiting member 53 to the trigger block 51 and the resistance of the trigger member 52 to the trigger block 51 are on the same action line.
[0054] The trigger block 51 is used to build the outline basis of the trigger module 500, and has the basic structure connected with the limiting member 53. The trigger block 51 is designed to have at least two blocks symmetric to the main body basic outline, and the two trigger blocks 51 are combined into a whole through the limiting member 53 and the trigger member 52. In order to facilitate the trigger block 51 to be pulled out after triggering, the trigger block 51 needs to be designed to have an outer contour that meets the fixing requirements between the seat body 100, and the inner side of the trigger block 51 is preferably hollowed out or left empty under the condition of meeting the overall structural strength, so that the overall size of the two trigger blocks 51 is small after shrinking, and the pulling out is simple.
[0055] It should be particularly noted that, with reference to Figure 10 , the trigger module 500 needs to resist the balance plate 41 of the balance module 400 in the structural design, and there is a friction force between the two, and the tighter the position limitation of the trigger module 500, the greater the friction force; in order to avoid the influence of the foregoing friction force on the shrinking action of the trigger module 500 after triggering, with reference to Figure 11The bottom surface of the trigger block 51 is provided with one or more ball 55 grooves 514, the ball 55 grooves 514 movably provided with the ball 55, and the ball 55 protruding from the bottom surface of the trigger block 51, so that the ball 55 moves in the ball 55 groove 514 when subjected to external force. In this way, the ball 55 is used to resist the balance plate 41, and after the trigger module 500 is triggered, the trigger block 51 smoothly rolls and slides relative to the balance plate 41 through the ball 55, rather than the bottom surface of the trigger block 51 directly translating relative to the balance plate 41, the frictional resistance to be overcome is reduced, and the smooth triggering of the trigger module 500 is ensured. It can be understood that the direction of the ball 55 groove 514 from the outside to the inside is consistent or basically consistent with the direction of the contraction of the trigger block 51, so that the movement trend of the trigger block 51 and the rolling and sliding trend of the ball 55 are basically consistent, the movement resistance of the ball 55 is small, and the response of the trigger module 500 is fast.
[0056] The cover plate 600 is used to cover the exposed surface of the bottom of the spray head, so that the fire sprinkler is more beautiful after installation. The traditional installation method of the cover plate 600 is to connect the cover plate 600 and the seat body 100 or the trigger module 500 by soldering or gluing, and the cover plate 600 falls off when the ambient temperature of the fire sprinkler is high. In order to simplify the assembly steps, and also to make the cover plate 600 more convenient to disassemble, the cover plate 600 is provided with a cover plate clamping portion 61 protruding therefrom, which is detachably clamped on the trigger module 500. Based on the feature that the trigger module 500 will be detached after being triggered, the cover plate 600 will also be detached, solving the problem that the cover plate 600 clamped in this way cannot be detached.
[0057] Regarding the clamping method of the cover plate 600 and the trigger module 500, the cover plate 600 can be clamped with the trigger block 51, or the cover plate 600 and the limiting piece 53 can be clamped, or the cover plate 600 and the trigger piece 52 can be clamped. Among them, the cover plate 600 and the second limiting piece 532 located on the upper part of the trigger block 51 and protruding from the accommodating cavity 13 are preferably clamped, one is that the position of the second limiting piece 532 is convenient for clamping, and the other is that the second limiting piece 532 does not affect the contraction of the two trigger blocks 51, that is, the second limiting piece 532 clamped with the cover plate 600 will not affect the contraction of the trigger block 51. Specifically, refer to Figure 13 and Figure 14 The second limiting piece 532 is provided with a cover plate clamping groove 5321, which can be clamped with the cover plate clamping portion 61; and since part of the inner wall of the second limiting piece 532 needs to cover and limit the two trigger blocks 51, the cover plate clamping groove 5321 needs to be arranged on the spare inner wall of the second limiting piece 532, that is, the cover plate clamping groove 5321 is arranged on the inner side of the inner wall of the second limiting piece 532 relative to the trigger block 51.
[0058] While the preferred embodiments of the application have been described, additional variations and modifications can be made to these embodiments by those skilled in the art once they have the benefit of the present disclosure without departing from the spirit and scope of the application. Accordingly, it is intended that such additions and modifications be included within the scope of the application. It is the following claims, including any amendments thereto, which define the scope of the application.
[0059] Obviously, numerous modifications and variations of the present application are possible in light of the above teachings. It is therefore to be understood that within the scope of the appended claims, and their equivalents, the application can be practiced otherwise than as specifically described.
Claims
1. A trigger module, characterized by The trigger module (500) comprises: a trigger block (51), which is provided with two blocks, and the two blocks are spaced apart and constitute the outer contour of the trigger module (500); a trigger piece (52), which is transversely arranged between the two blocks of the trigger block (51) to limit the relative contraction of the two blocks of the trigger block (51); and a limiting piece (53), which is arranged on the two blocks of the trigger block (51) to limit the relative expansion of the two blocks of the trigger block (51); wherein the bottom surface of the trigger block (51) is provided with one or more ball grooves (514), the ball grooves (514) movably accommodate balls (55), and the balls (55) protrude from the bottom surface of the trigger block (51) so that the balls (55) move in the ball grooves (514) when subjected to external force.
2. A balancing module, characterized in that The balance module (400) comprises: a balance plate (41), the center of which is provided with a threaded hole; a force receiving piece (42), which comprises a force receiving part (422) located at the front and an adjusting part (421) located at the rear, and the adjusting part (421) is threadedly connected to the threaded hole to adjust the overall height of the balance module (400) through the adjusting part (421).
3. The balancing module of claim 2, wherein, The force receiving part (422) and the adjusting part (421) are integrally formed, or the force receiving part (422) and the adjusting part (421) are integrally processed.
4. A fire sprinkler, comprising: The fire sprinkler comprises: a seat body (100) provided with a containing cavity (13) with a containing opening (14) therein; a plug (200) arranged in the containing cavity (13); and a trigger module (500) arranged in the containing cavity (13), and directly or indirectly abutting against the plug (200) to achieve sealing of the fire sprinkler by abutting against the plug (200); and the trigger module (500) has two states of untriggered and triggered, and the size of the trigger module (500) in the triggered state is smaller or the components thereof are disassembled relative to the trigger module (500) in the untriggered state; wherein the containing opening (14) is located below the gravity direction of the trigger module (500), and the containing opening (14) has at least a first opening size, which is smaller than the maximum width size of the trigger module (500) in the untriggered state projected onto the containing opening (14), so that the trigger module (500) is limited in the containing cavity (13).
5. The fire sprinkler head of claim 4, wherein, The seat body (100) is divided into a base (11) and a gland (12), and the base (11) and the gland (12) constitute the containing cavity (13); wherein the gland (12) and the base (11) are detachably connected, so that the trigger module (500) enters the containing cavity (13) through the gland (12).
6. The fire sprinkler head of claim 5, wherein, The cap (12) is screwed with the base (11), and the cap (12) abuts against the trigger module (500) so that the trigger module (500) abuts against the plug (200).
7. The fire sprinkler head of claim 4, wherein, The accommodating opening (14) also has a second opening size, which is greater than or equal to the maximum width dimension of the trigger module (500) in the untriggered state and projected on the accommodating opening (14), so that the trigger module (500) enters the accommodating cavity (13) through the accommodating opening (14).
8. The fire sprinkler head of claim 4, wherein, The outer side of the trigger module (500) is provided with an outer convex or inner concave abutting portion (511), and the abutting portion (511) abuts against the seat body (100) to define the position of the trigger module (500) in the accommodating cavity (13).
9. The fire sprinkler head of claim 8, wherein, The contact surface between the abutting portion (511) and the seat body (100) is a slope that points from the outside to the inside of the accommodating opening (14).
10. The fire sprinkler head of claim 4, wherein, The trigger module (500) comprises: The trigger block (51) is provided with two blocks, and the two blocks are arranged at intervals and construct the outer contour of the trigger module (500); The trigger piece (52) is transversely arranged between the two trigger blocks (51) to limit the relative contraction of the two trigger blocks (51); and The limiting piece (53) is arranged on the two trigger blocks (51) to limit the relative expansion of the two trigger blocks (51); Wherein, the part of the trigger block (51) for abutting against the trigger piece (52) is arranged outside the accommodating cavity (13), so that the trigger piece (52) is located outside the accommodating cavity (13).