Instrument hairspring convenient to install

Abstract

The utility model relates to the technical field of instrument hairsprings, and discloses an instrument hairspring convenient to install, which comprises a chassis, and a fixing assembly and a protection assembly are arranged above the chassis. According to the instrument hairspring convenient to install, through the design of the elastic plates and the L-shaped swing rods, the installation, protection and disassembly processes of the hairspring body are optimized, during installation, the elastic plates are in threaded connection with the base body through the extrusion blocks, uniform pressure is applied to the inner ring of the hairspring body, the installation steps are simplified, and the installation efficiency is improved. Meanwhile, deformation or damage caused by uneven stress is avoided, the stability and reliability of the hairspring body are ensured, through cooperation of the L-shaped swing rod and the contact rod, deformation or collapse of the hairspring body caused by gravity, inertia or vibration in the swing process is prevented, the service life is prolonged, and in the disassembly process, after an extrusion block is separated from a base body, the extrusion block is not prone to deformation or collapse. And the elastic plate automatically resets, the L-shaped swing rod is pulled by the connecting wire to be away from the hairspring body, rapid disassembly is achieved, and maintenance and replacement are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of instrument hairspring, concretely to an instrument hairspring convenient to install. BACKGROUND

[0002] The instrument hairspring is a kind of precision mechanical element, usually used in measuring instrument, clock or other precision equipment, as elastic element or energy storage device, it is by slender metal band (such as tin bronze, beryllium bronze or stainless steel) spiral or planar structure, with high elasticity, fatigue resistance and deformation resistance characteristics.

[0003] The prior art (announcement number: CN215417545U) discloses a portable instrument hairspring, which comprises a bottom disc, a center bearing disc is arranged on the bottom disc, a hairspring telescopic mechanism for retracting the hairspring is connected with the bearing disc, the hairspring telescopic mechanism comprises a hairspring inner plate, an elastic member for driving the hairspring inner plate to move towards the bearing disc, and a hairspring outer plate connected with the elastic member, and a movable fixing assembly.The initial state is that the fixing boss is engaged in the bearing groove, forming a complete hairspring surface; the hairspring is wound on the center bearing disc, and the hairspring inner plate fixes the hairspring under the action of the elastic member; further, in the process of the hairspring, the hairspring inner plate moves towards the center bearing disc, realizes the fixation of the bearing boss, so that the hairspring operation is not affected, and the hairspring is continuously fixed; when the hairspring inner plate cannot realize the fixation of the hairspring, the second telescopic rod drives the fixing boss to move upwards, so that the fixing boss can fix the hairspring, and then the hairspring operation can be continued.

[0004] The above-mentioned hairspring can realize the continuous fixation of the hairspring during use, and the plurality of hairspring inner plates need to be moved away from each other when fixing the hairspring, then the hairspring is placed on the bottom disc, however, the plurality of elastic members need to be simultaneously applied with a pushing force and pushed to the inner wall of the hairspring outer plate during installation, and then the hairspring is installed, and the process is relatively cumbersome, and when the elastic member pushes the hairspring outer plate to contact the hairspring after fixing the hairspring, the elastic force of the elastic member can affect the normal expansion of the hairspring. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model provides an instrument hairspring convenient to install, which has the advantages of convenient installation and disassembly, prevents the hairspring from collapsing in an umbrella shape and solves the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an instrument hairspring convenient to install, comprising a bottom disc, a fixing assembly and a protection assembly are arranged above the bottom disc;

[0007] The fixing assembly comprises a base body fixedly connected with the bottom disc, a plurality of slots are formed in the bottom end of the base body, a plurality of elastic plates are fixedly connected with the inner wall bottom end of each slot, the middle end side of each elastic plate is in a triangular protruding hollow structure, the upper side of the bottom disc is provided with a hairspring body, and the side of each elastic plate is in contact with the inner ring of the hairspring body.

[0008] The protection assembly comprises a plurality of supports, the upper end of each support is hingedly connected with an L-shaped swing rod, each L-shaped swing rod is located above the hairspring body, and the upper surface of the bottom disc is fixedly connected with a plurality of contact rods.

[0009] Through the above scheme, when the hairspring body is disassembled, the plurality of L-shaped swing rods will swing in the opposite direction under the traction of the connecting wire, away from the upper side of the hairspring body, so that the hairspring body can be quickly removed.

[0010] Further, the inside of the base body is threadedly connected with a pressing block, the bottom end of the pressing block is fixedly connected with an arc-shaped pressing ring, the triangular protrusions of each elastic plate are in contact with the arc-shaped pressing ring, and each elastic plate is integrally formed of spring steel material.

[0011] Through the above scheme, the arc-shaped pressing ring can press the elastic plate after the pressing block enters the base body, and through the elastic reset performance of the spring steel material, the hairspring body can be compressed by the reaction force, so that the hairspring body can be stably fixed on the base body.

[0012] Further, the upper surface of the pressing block is provided with a cross slot.

[0013] Through the above scheme, the cross slot can facilitate the rotation of the pressing block by external cross tools, so that the pressing block enters the inside of the base body and ensures that the two are connected together.

[0014] Further, the upper end of each L-shaped swing rod is fixedly connected with a connecting wire, the upper end of each support is mounted with a micro-roller, and the plurality of connecting wires are in contact with the micro-rollers.

[0015] Through the above scheme, the micro-roller can keep the connecting wire stable, so that the connecting wire can stably pull the L-shaped swing rod, and the swing rod can automatically swing and contact the limit of the hairspring body when the pressing block is separated from the base body.

[0016] Further, the inner bottom wall of the base body is fixedly connected with an elastic member, the other end of the elastic member is fixedly connected with a supporting plate, the bottom end of the base body is provided with a plurality of holes, and the plurality of connecting wires are fixedly connected with the bottom end of the supporting plate through the holes close to them.

[0017] Through the above scheme, the cooperation of the elastic member and the supporting plate can push the supporting plate to reset after the extrusion member is taken out, so that the supporting plate pulls the L-shaped swing rod through the connecting wire, and the L-shaped swing rod swings away from the hairspring body.

[0018] Further, the bottom end of the supporting plate is fixedly connected with a rhombic column, and the rhombic column is slidably inserted with the inner bottom wall of the base.

[0019] Through the above scheme, the rhombic column can limit the supporting plate, so that the supporting plate can be kept stable and rotation is avoided.

[0020] Further, the upper end of each L-shaped swing rod is fixedly connected with a plurality of counterweight convex balls.

[0021] Through the above scheme, the counterweight convex ball can increase the weight of the upper end of the L-shaped swing rod, so that the L-shaped swing rod can swing above the hairspring body without external force, and the swing of the hairspring body is limited.

[0022] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

[0023] The utility model discloses a kind of instrument hairspring of being convenient to install, by setting multiple elastic plates when installing hairspring body, extrusion block is connected with the thread of base, it can make extrusion block contact with elastic plate, elastic plate will exert pressure on the inner ring of hairspring body after being stressed, to realize the close contact of hairspring body and multiple elastic plates, not only simplify installation step, also significantly improve installation speed, reduce operation time, simultaneously, the stability and reliability of the uniform pressure distribution of elastic plate ensure hairspring body, avoid deformation or damage caused by uneven stress;

[0024] The design of installing L-shaped swing rod and multiple contact rods can effectively protect the upper and lower parts of the hairspring body, preventing the hairspring body from deforming due to gravity or inertia during swinging, or collapsing like an umbrella due to gravity or vibration. This double protection mechanism significantly reduces mechanical damage to the hairspring body during operation, improves its stability and reliability, and prolongs the service life of the hairspring body, reducing the frequency of replacement and maintenance costs due to damage.

[0025] When disassembling the hairspring body, only need to separate the extrusion block from the base, multiple L-shaped swing rods will reverse swing away from the upper part of the hairspring body under the traction of the connecting wire, and after the extrusion block is separated from the base, the elastic plate will reset and separate from the hairspring body, thereby releasing the limit on the hairspring body, allowing the hairspring body to be quickly removed, and enabling quick disassembly when repairing the hairspring body. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1It is the whole structure schematic diagram of the application;

[0027] Figure 2 It is the whole structure sectional view of the application;

[0028] Figure 3 It is the whole structure schematic diagram of the application Figure 2 The structure enlarged schematic diagram of A place of the application;

[0029] Figure 4 It is the contact rod structure schematic diagram of the application;

[0030] Figure 5 It is the structure enlarged schematic diagram of B place of the application Figure 2

[0031] In the figure:

[0032] 1, chassis; 2, fixed assembly;

[0033] 201, base body; 202, notch; 203, elastic plate; 204, hairspring body;

[0034] 3, protection assembly; 301, support;

[0035] 302, L-shaped swing rod; 303, contact rod;

[0036] 4, extrusion block; 5, arc-shaped extrusion ring; 6, cross slot; 7, connecting wire; 8, micro roller; 9, elastic member; 10, supporting plate; 11, hole; 12, rhombic column; 13, counterweight convex ball. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the application.

[0038] Please refer to Figure 1 , Figure 2 and Figure 3 A kind of instrument hairspring of the present application is easy to install in the embodiment, including chassis 1, the top of chassis 1 is provided with fixed assembly 2 and protection assembly 3.

[0039] Please refer to Figure 1 , Figure 2 and Figure 3 ​The fixed assembly 2 comprises a base body 201 fixedly connected with the bottom disc 1, a plurality of notches 202 are formed at the bottom end of the base body 201, a plurality of elastic plates 203 are fixedly connected with the inner wall bottom end of each notch 202, the middle end side of each elastic plate 203 is in a triangular protruding hollow structure, the upper side of the bottom disc 1 is provided with a hairspring body 204, and the side of each elastic plate 203 is in contact with the inner ring of the hairspring body 204. When the plurality of elastic plates 203 are arranged to install the hairspring body 204, the extrusion block 4 is in threaded connection with the base body 201, the extrusion block 4 is in contact with the elastic plate 203, the elastic plate 203 exerts pressure on the inner ring of the hairspring body 204, so that the hairspring body 204 is in close contact with the plurality of elastic plates 203, the installation steps are simplified, the installation speed is significantly improved, and the operation time is reduced. At the same time, the uniform pressure distribution of the elastic plate 203 ensures the stability and reliability of the hairspring body 204, and deformation or damage caused by uneven stress is avoided.

[0040] Please refer to Figure 1 、 Figure 2 and Figure 4 The protection assembly 3 comprises a plurality of supports 301, the upper end of each support 301 is hingedly connected with an L-shaped swing rod 302, each L-shaped swing rod 302 is located above the hairspring body 204, and the upper surface of the bottom disc 1 is fixedly connected with a plurality of contact rods 303. The design of the L-shaped swing rod 302 and the plurality of contact rods 303 can effectively protect the upper and lower sides of the hairspring body 204, can prevent the hairspring body 204 from deforming or collapsing in an umbrella shape due to gravity or inertia during swinging, and can prevent the hairspring body 204 from being damaged mechanically during operation. The double protection mechanism significantly reduces the mechanical damage to the hairspring body 204 during operation, improves the stability and reliability thereof, prolongs the service life of the hairspring body 204, reduces the replacement frequency and maintenance cost caused by damage, and when the hairspring body 204 is disassembled, the extrusion block 4 is separated from the base body 201, the plurality of L-shaped swing rods 302 swing in the opposite direction under the traction of the connecting wire 7, and are away from the upper side of the hairspring body 204. After the extrusion block 4 is separated from the base body 201, the elastic plate 203 is reset and separated from the hairspring body 204, so that the hairspring body 204 is released from the limiting, and the hairspring body 204 can be quickly removed.

[0041] Please refer to Figure 1 、 Figure 2 and Figure 5The inner thread of the base body 201 is connected with the extrusion block 4, the bottom end of the extrusion block 4 is fixedly connected with the arc-shaped extrusion ring 5, the triangular protrusions of each elastic plate 203 are in contact with the arc-shaped extrusion ring 5, each elastic plate 203 is integrally formed of spring steel material, the arc-shaped extrusion ring 5 can extrude the elastic plate 203 after the extrusion block 4 enters the base body 201, through the elastic reset performance of the spring steel material, the balance spring body 204 can be pressed by the reaction force, so that the balance spring body 204 can be stably fixed on the base body 201, a cross groove 6 is formed in the upper surface of the extrusion block 4, the cross groove 6 can facilitate the staff to rotate the extrusion block 4 through external cross tools, so that the extrusion block 4 enters the inside of the base body 201, and the two are connected together.

[0042] Please refer to Figure 1 、 Figure 2 and Figure 3 The upper end of each L-shaped swing rod 302 is fixedly connected with a connecting wire 7, the upper end of each support 301 is provided with a micro roller 8, a plurality of connecting wires 7 are in contact with the micro roller 8, the micro roller 8 can keep the connecting wire 7 stable, the connecting wire 7 can stably pull the L-shaped swing rod 302, when the extrusion block 4 is separated from the base body 201, the L-shaped swing rod 302 automatically swings and contacts the limiting of the balance spring body 204, the inner bottom wall of the base body 201 is fixedly connected with an elastic member 9, the other end of the elastic member 9 is fixedly connected with a supporting plate 10, a plurality of holes 11 are formed in the bottom end of the base body 201, a plurality of connecting wires 7 are fixedly connected with the bottom end of the supporting plate 10 through the holes 11 close to the connecting wires 7, the cooperation of the elastic member 9 and the supporting plate 10 can reset the supporting plate 10 by the deformation force of the elastic member 9 after the extrusion block is taken out, so that the supporting plate 10 pulls the L-shaped swing rod 302 through the connecting wire 7, and then the L-shaped swing rod 302 swings away from the balance spring body 204.

[0043] Please refer to Figure 1 、 Figure 2 and Figure 3 The bottom end of the supporting plate 10 is fixedly connected with a rhombic column 12, the rhombic column 12 is slidably inserted into the inner bottom wall of the base body 201, the rhombic column 12 can limit the supporting plate 10, so that the supporting plate 10 can keep stable and avoid rotating, the upper end of each L-shaped swing rod 302 is fixedly connected with a plurality of counterweight convex balls 13, the counterweight convex balls 13 can increase the weight of the upper end of the L-shaped swing rod 302, so that the L-shaped swing rod 302 can swing above the balance spring body 204 without external force, and the swing of the balance spring body 204 is limited.

[0044] The elastic plate 203 is in contact with the extrusion block 4 and exerts pressure on the inner ring of the hairspring body 204, so that the hairspring body 204 is in close contact with the plurality of elastic plates 203, which not only simplifies the installation steps, but also significantly improves the installation speed and reduces the operation time, and the uniform pressure distribution of the elastic plate 203 ensures the stability and reliability of the hairspring body 204 and avoids deformation or damage caused by uneven stress;

[0045] The design of installing the L-shaped swing rod 302 and the plurality of contact rods 303 can effectively protect the upper and lower parts of the hairspring body 204, prevent the hairspring body 204 from deforming or collapsing in an umbrella shape due to gravity or inertia during the swing process, and significantly reduce mechanical damage to the hairspring body 204 during operation, improve the stability and reliability of the hairspring body 204, and prolong the service life of the hairspring body 204, reduce the replacement frequency and maintenance cost caused by damage;

[0046] When the hairspring body 204 is disassembled, the plurality of L-shaped swing rods 302 will swing in the opposite direction away from the upper part of the hairspring body 204 under the traction of the connecting wire 7, and after the extrusion block 4 is separated from the base body 201, the elastic plate 203 will reset and be separated from the hairspring body 204, so that the limiting of the hairspring body 204 is released, and the hairspring body 204 can be quickly removed.

[0047] It should be noted that each elastic plate 203 is made of elastic steel material in one piece.

[0048] The working principle of the above embodiment is that when the hairspring body 204 is installed, the hairspring body 204 is placed on the base body 201, and then the extrusion block 4 is installed by cooperating with the cross slot 6 using external tools, so that the extrusion block 4 is screwed with the base body 201, at this time, the arc-shaped extrusion ring 5 on the extrusion block 4 can be in contact with the plurality of elastic plates 203, so that the plurality of elastic plates 203 can exert pressure on the inner circle of the hairspring body 204, so that the hairspring body 204 can be fixed on the base body 201, which not only simplifies the installation steps, but also significantly improves the installation speed and reduces the operation time. At the same time, the uniform pressure distribution of the elastic plate 203 ensures the stability and reliability of the hairspring body 204, avoiding deformation or damage caused by uneven stress. When the extrusion block 4 extrudes the supporting plate 10, the supporting plate 10 will be lowered and compress the elastic member 9, so that the connecting wire 7 loses the traction force. At this time, the L-shaped swing rod 302 can swing above the hairspring body 204 under the gravity of the counterweight convex ball 13. The hairspring body 204 will be in contact with the plurality of contact rods 303 after installation, which can effectively protect the upper and lower parts of the hairspring body 204, preventing the hairspring body 204 from deforming due to gravity or inertia during swinging, or collapsing like an umbrella due to gravity or vibration. This double protection mechanism significantly reduces the mechanical damage to the hairspring body 204 during operation, improves its stability and reliability, and prolongs the service life of the hairspring body 204, reduces the replacement frequency and maintenance cost caused by damage. When the hairspring body 204 is disassembled, when the extrusion block 4 is separated from the base body 201, the plurality of elastic members 9 will reset and separate from the hairspring body 204, and then the elastic member 9 will push the supporting plate 10 to reset, so that the supporting plate 10 can pull the L-shaped swing rod 302 through the connecting wire 7, so that the L-shaped swing rod 302 can move away from the hairspring body 204. At this time, the hairspring body 204 can be quickly removed, and the hairspring body 204 can be quickly disassembled during maintenance.

[0049] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

[0050] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary and that changes can be made in detail without departing from the principles and spirit of the application. The scope of the application is therefore defined by the appended claims and their equivalents.

Claims

1. A hairspring for an instrument which is easy to install, comprising a base plate (1), characterized in that: The upper part of the chassis (1) is provided with a fixed assembly (2) and a protection assembly (3). The fixed assembly (2) comprises a base body (201), which is fixedly connected with the chassis (1), and a plurality of notches (202) are formed in the bottom end of the base body (201), and a plurality of elastic plates (203) are fixedly connected to the inner wall bottom end of each notch (202), and the middle end side of each elastic plate (203) is a triangular protruding hollow structure, and the upper part of the chassis (1) is provided with a hairspring body (204), and the side of each elastic plate (203) is in contact with the inner ring of the hairspring body (204). The protection assembly (3) comprises a plurality of supports (301), and the upper end of each support (301) is hingedly connected with an L-shaped swing rod (302), and each L-shaped swing rod (302) is located above the hairspring body (204), and the upper surface of the chassis (1) is fixedly connected with a plurality of contact rods (303).

2. A hair spring for an instrument which is easy to install according to claim 1, characterized in that: The inside of the base body (201) is threadedly connected with an extrusion block (4), the bottom end of the extrusion block (4) is fixedly connected with an arc-shaped extrusion ring (5), the triangular protrusions of each elastic plate (203) are in contact with the arc-shaped extrusion ring (5), and each elastic plate (203) is integrally formed of spring steel material.

3. A hair spring for an instrument which is easy to install according to claim 2, characterized in that: The upper surface of the extrusion block (4) is provided with a cross groove (6).

4. The easy-to-mount instrument hairspring of claim 1, wherein: The upper end of each L-shaped swing rod (302) is fixedly connected with a connecting wire (7), the upper end of each support (301) is provided with a micro roller (8), and the connecting wires (7) are in contact with the micro rollers (8).

5. A hair spring for an instrument which is easy to install according to claim 4, characterized in that: The inner bottom wall of the base body (201) is fixedly connected with an elastic member (9), the other end of the elastic member (9) is fixedly connected with a supporting plate (10), the bottom end of the base body (201) is provided with a plurality of holes (11), and the connecting wires (7) are fixedly connected with the bottom end of the supporting plate (10) through the holes (11) adjacent thereto.

6. A hair spring for an instrument which is easy to install according to claim 5, characterized in that: The bottom end of the supporting plate (10) is fixedly connected with a rhombic column (12), and the rhombic column (12) is slidably inserted into the inner bottom wall of the base body (201).

7. The easy-to-mount instrument hairspring of claim 1, wherein: The upper end of each L-shaped swing rod (302) is fixedly connected with a plurality of counterweight convex balls (13).

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