Tension spring assembly of jack

Abstract

The utility model relates to the technical field of jacks, and discloses a jack tension spring assembly which comprises a tension spring body, one end of an installation piece is fixedly installed on the tension spring body, an installation assembly is arranged on the installation piece, the installation assembly comprises a lower installation head, and the lower installation head is fixedly connected with the lower installation piece. And one end of the lower mounting head is fixedly mounted at the other end of the mounting piece. According to the jack tension spring assembly, in order to enhance the use flexibility of the jack tension spring assembly, the installation assembly is arranged and matched with the lower installation head and the upper connector to be connected in an attached mode, a connecting cylinder arranged on the outer surfaces of the lower installation head and the upper connector in a sleeving mode plays a reinforcing role, all the components are tightly fixed through screws, and looseness in the use process is prevented; and meanwhile, the short rods and the limiting blocks penetrate through the groove barrels to be arranged on the inner sides of the empty grooves, the groove barrels can slide in the circular grooves conveniently due to the round corner design of the bottoms of the groove barrels, the connecting barrels can be accurately aligned during installation, and therefore the installation process is smoother.

Description

TECHNICAL FIELD

[0001] The utility model relates to jack technical field, concretely is a jack tension spring subassembly. BACKGROUND

[0002] As the key tool of hoisting and supporting heavy objects, jack is widely used in various scenes, and the tension spring subassembly is an important component to ensure the stable operation and safe operation of jack.

[0003] The jack tension spring subassembly is mainly composed of a high-strength spring body, a connecting hook, a fixing bracket and a protective coating. The spring body is made of high-quality alloy steel material and is subjected to heat treatment process to enhance its elasticity and fatigue resistance. The connecting hook is used to connect with the internal transmission components of the jack, and the fixing bracket ensures the stable installation of the subassembly. The protective coating can effectively resist rust and prolong the service life.

[0004] However, during actual use, the existing jack tension spring subassembly is prone to deviation during installation, which leads to uneven force on the tension spring. When the jack is bearing, this uneven force may cause damage to the components and even cause safety accidents. Therefore, we propose a jack tension spring subassembly. SUMMARY

[0005] The utility model aims at providing a jack tension spring subassembly to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A jack tension spring subassembly includes a tension spring body, an installation piece is fixedly installed on the tension spring body, an installation assembly is arranged on the installation piece, and the installation assembly includes:

[0008] A lower mounting head is fixedly installed on the other end of the installation piece, an upper connecting head is attached to the other end of the lower mounting head, a connecting barrel is attached to the outer surfaces of the lower mounting head and the upper connecting head, and a hook is fixedly installed on the other end of the upper connecting head.

[0009] A non-slip groove is formed on the upper connecting head, a groove barrel is fixedly installed on the upper connecting head, an air slot is formed on the inner side of the upper connecting head, and a short rod is fixedly installed on one end of the lower mounting head.

[0010] A limiting block is fixedly installed on the other end of the short rod, a screw rod is threadedly installed on the connecting barrel, a nut is fixedly installed on the connecting barrel, and a circular groove is formed on the lower mounting head.

[0011] Preferably, the lower mounting head, the upper connecting head, the connecting cylinder, the hook, the anti-skid groove, the groove cylinder, the empty groove, the short rod, the limiting block, the screw rod, the nut and the circular groove are provided with multiple groups.

[0012] Preferably, the short rod and the limiting block pass through the groove cylinder so that the limiting block is arranged inside the empty groove, the bottom of the groove cylinder is designed with a round corner, and the groove cylinder slides inside the circular groove.

[0013] Preferably, the screw rod is screwed on the nut through the connecting cylinder, the upper connecting head, the groove cylinder and the short rod.

[0014] Preferably, the mounting member is provided with a positioning assembly, the positioning assembly comprises a mounting groove, the upper connecting head is provided with the mounting groove, one end of a spring is fixedly installed inside the upper connecting head, a positioning block is fixedly installed at the other end of the spring, the connecting cylinder is provided with a positioning hole, a limiting cylinder is fixedly installed on the short rod, and a limiting groove is formed in the groove cylinder.

[0015] Preferably, the mounting groove, the spring, the positioning block, the positioning hole, the limiting cylinder and the limiting groove are provided with multiple groups.

[0016] Preferably, the limiting cylinder slides inside the limiting groove, one group of the spring and the positioning block is arranged inside the mounting groove, and the other group of the spring and the positioning block is arranged inside the limiting cylinder.

[0017] Compared with the prior art, the jack tension spring assembly has the following beneficial effects:

[0018] 1. The jack tension spring assembly is used to enhance the flexibility of the device, the mounting assembly is arranged, the assembly is connected with the lower mounting head and the upper connecting head, the connecting cylinder sleeved on the outer surfaces of the two plays a reinforcing role, each component is tightly fixed through the screw rod, loosening in the use process is prevented, the short rod and the limiting block pass through the groove cylinder and are arranged inside the empty groove, the round corner design of the bottom of the groove cylinder facilitates the sliding of the groove cylinder in the circular groove, the connecting cylinder can be accurately positioned during installation, and therefore the installation process is more smooth.

[0019] 2. The jack tension spring assembly is used to reduce the safety hazards caused by loosening of components, the positioning assembly is arranged, the positioning block can be clamped into the positioning hole on the connecting cylinder during installation of the assembly, quick positioning is realized, deviation of the connecting cylinder during installation is prevented, the limiting cylinder on the short rod slides inside the limiting groove of the groove cylinder, the other group of the spring and the positioning block is arranged inside the limiting cylinder, the relative displacement between the short rod and the groove cylinder is further limited, the accurate positioning of the lower mounting head and the upper connecting head is ensured, the multiple groups of the positioning groove, the positioning block and the limiting structure work cooperatively, stress can be effectively dispersed when the tension spring assembly is subjected to external force, and components are prevented from being dislocated due to uneven stress.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is whole structure schematic view of the utility model;

[0021] Figure 2 It is whole structure schematic view of the utility model from another angle;

[0022] Figure 3 It is whole structure cross section schematic view of the utility model;

[0023] Figure 4 It is whole structure schematic view of the utility model Figure 3 A area amplification structure schematic view of the utility model;

[0024] Figure 5 It is partial structure cross section schematic view of the utility model;

[0025] Figure 6 It is partial structure schematic view of the utility model;

[0026] Figure 7 It is partial structure cross section schematic view of the utility model;

[0027] Figure 8 It is partial structure cross section schematic view of the utility model.

[0028] BRIEF DESCRIPTION OF DRAWINGS

[0029] 1, tension spring body;2, mounting piece;

[0030] 3, mounting assembly;31, lower mounting head;32, upper connecting head;33, connecting barrel;34, hook;35, anti-skid groove;36, recessed groove barrel;37, empty groove;38, short rod;39, limiting block;310, screw;311, nut;312, circular groove;

[0031] 4, positioning assembly;41, mounting groove;42, spring;43, positioning block;44, positioning hole;45, limiting barrel;46, limiting groove. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] In the present application, the term "upper" indicates the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is mainly used for better description of the present application and its embodiments, and is not used to limit the indicated device, element or component must have a specific orientation, or be constructed and operated in a specific orientation. And, the term "upper" may also be used to indicate a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0034] Please refer to Figures 1-8 The utility model provides a technical scheme:

[0035] A jack tension spring assembly, including tension spring body 1, the installation piece 2 one end is fixedly installed on the tension spring body 1.

[0036] In an embodiment of the utility model, installation piece 2 is provided with installation assembly 3, installation assembly 3 includes lower mounting head 31, and the other end of installation piece 2 is fixedly installed with one end of lower mounting head 31, and the other end of lower mounting head 31 is attached with upper connecting head 32, and the outer surface of lower mounting head 31 and upper connecting head 32 is attached with connecting barrel 33, and the other end of upper connecting head 32 is fixedly installed with hook 34, and the upper connecting head 32 is provided with anti-skid groove 35, and the upper connecting head 32 is fixedly installed with recessed groove cylinder 36, and the inner side of upper connecting head 32 is provided with air slot 37, and one end of short rod 38 is fixedly installed on lower mounting head 31, and the other end of short rod 38 is fixedly installed with limiting block 39, and connecting barrel 33 is screwedly installed with screw rod 310, and connecting barrel 33 is fixedly installed with nut 311, and lower mounting head 31 is provided with circular groove 312, and lower mounting head 31, upper connecting head 32, connecting barrel 33, hook 34, anti-skid groove 35, recessed groove cylinder 36, air slot 37, short rod 38, limiting block 39, screw rod 310, nut 311 and circular groove 312 are provided with multiple groups, short rod 38 and limiting block 39 pass through recessed groove cylinder 36 so that limiting block 39 is arranged in the inner side of air slot 37, the bottom of recessed groove cylinder 36 is designed with a rounded corner, recessed groove cylinder 36 slides in the inner side of circular groove 312, and screw rod 310 is screwedly installed on nut 311 by passing through connecting barrel 33, upper connecting head 32, recessed groove cylinder 36 and short rod 38.

[0037] In use of the embodiment, first, the lower mounting head 31 at the other end of the mounting member 2 is attached to the upper connecting head 32 on the external component, the anti-skid grooves 35 on the outer surfaces of the lower mounting head 31 and the upper connecting head 32 are in contact with each other, the anti-skid grooves 35 increase the friction between the two, preventing relative sliding in the subsequent operation, at the same time, the short rod 38 on the lower mounting head 31 is fixed at one end and the limiting block 39 at the other end is aligned with the empty slot 37 inside the upper connecting head 32, the bottom of the groove cylinder 36 fixed on the upper connecting head 32 is designed with a round corner, so that it can be smoothly slid into the round slot 312 of the lower mounting head 31, providing guidance for subsequent installation and ensuring accurate initial alignment, the connecting cylinder 33 is sleeved on the outer surfaces of the lower mounting head 31 and the upper connecting head 32, so as to completely cover the connecting parts of the two, then the screw rod 310 is sequentially threaded through the connecting cylinder 33, the upper connecting head 32, the groove cylinder 36 and the short rod 38, and finally screwed with the nut 311 on the connecting cylinder 33, by tightening the nut 311, the screw rod 310 generates tension, tightly fixing the connecting cylinder 33, the lower mounting head 31, the upper connecting head 32 and other components together, preventing loosening in the use process.

[0038] In one embodiment of the utility model, the mounting member 2 is provided with a positioning assembly 4, the positioning assembly 4 includes mounting slot 41, the upper connecting head 32 is provided with mounting slot 41, the spring 42 one end is fixedly installed inside the upper connecting head 32, the positioning block 43 other end is fixedly installed on the spring 42, the connecting cylinder 33 is provided with positioning hole 44, the limiting cylinder 45 is fixedly installed on the short rod 38, the groove cylinder 36 is provided with limiting slot 46, mounting slot 41, spring 42, positioning block 43, positioning hole 44, limiting cylinder 45 and limiting slot 46 are provided with multiple groups, the limiting cylinder 45 is slid inside the limiting slot 46, a group of spring 42 and positioning block 43 are arranged inside the mounting slot 41, another group of spring 42 and positioning block 43 are arranged inside the limiting cylinder 45.

[0039] In use of the embodiment, in the process of installing the connecting cylinder 33, the positioning assembly 4 starts to play a role, the spring 42 inside the mounting slot 41 on the upper connecting head 32 is in the stretched state, the positioning block 43 is pushed to move outward, when the connecting cylinder 33 is installed to the appropriate position, the positioning block 43 is clamped into the positioning hole 44 on the connecting cylinder 33, realizing quick positioning and effectively preventing the connecting cylinder 33 from deviating in the installation process, ensuring the accurate installation position of each component, the limiting cylinder 45 fixed on the short rod 38 is slid inside the limiting slot 46 of the groove cylinder 36, at the same time, another group of spring 42 and positioning block 43 inside the limiting cylinder 45 also play the same role, at the same time, the limiting cylinder 45 is in contact with the inner wall of the limiting slot 46, further limiting the relative displacement between the short rod 38 and the groove cylinder 36, ensuring the accurate alignment of the lower mounting head 31 and the upper connecting head 32.

[0040] In the application file, the standard parts used are all available in the market, the specific connection mode of each part is connected by using the conventional means such as rivets and welding in the prior art, and the mechanical, parts and equipment are all conventional types in the prior art, plus the connection of the circuit is connected by using the conventional connection mode in the prior art, which will not be described in detail here.

[0041] The above has made a detailed description of the utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A jack tension spring assembly, comprising a tension spring body (1) on which an installation piece (2) is fixedly installed at one end, characterized in that: The mounting piece (2) is provided with a mounting assembly (3), the mounting assembly (3) comprises: The lower mounting head (31) is fixedly installed at one end of the mounting piece (2), and the other end of the lower mounting head (31) is attached to the upper connecting head (32); the outer surface of the lower mounting head (31) and the upper connecting head (32) is attached to the connecting barrel (33); the other end of the upper connecting head (32) is fixedly installed with the hook (34); The anti-skid groove (35) is formed on the upper connecting head (32) and the lower mounting head (31); the recessed groove barrel (36) is fixedly installed on the upper connecting head (32); the inner side of the upper connecting head (32) is provided with the air slot (37); one end of the short rod (38) is fixedly installed on the lower mounting head (31); The limiting block (39) is fixedly installed at the other end of the short rod (38); the connecting barrel (33) is threadedly installed with the screw rod (310); the connecting barrel (33) is fixedly installed with the nut (311); and the lower mounting head (31) is provided with the circular groove (312).

2. A jack spring assembly according to claim 1 wherein: The lower mounting head (31), the upper connecting head (32), the connecting barrel (33), the hook (34), the anti-skid groove (35), the recessed groove barrel (36), the air slot (37), the short rod (38), the limiting block (39), the screw rod (310), the nut (311) and the circular groove (312) are provided with multiple groups.

3. The jack spring assembly of claim 1, wherein: The short rod (38) and the limiting block (39) pass through the recessed groove barrel (36) so that the limiting block (39) is arranged inside the air slot (37); the bottom of the recessed groove barrel (36) is designed with a rounded corner; and the recessed groove barrel (36) slides inside the circular groove (312).

4. The jack spring assembly of claim 1, wherein: The screw rod (310) passes through the connecting barrel (33), the upper connecting head (32), the recessed groove barrel (36) and the short rod (38) and is threadedly installed on the nut (311).

5. The jack spring assembly of claim 1, wherein: The mounting piece (2) is provided with a positioning assembly (4), the positioning assembly (4) comprises the mounting slot (41), the mounting slot (41) is formed on the upper connecting head (32); one end of the spring (42) is fixedly installed inside the upper connecting head (32); the other end of the spring (42) is fixedly installed with the positioning block (43); the positioning hole (44) is formed on the connecting barrel (33); the limiting barrel (45) is fixedly installed on the short rod (38); and the limiting slot (46) is formed on the recessed groove barrel (36).

6. A jack spring assembly according to claim 5 wherein: The mounting slot (41), the spring (42), the positioning block (43), the positioning hole (44), the limiting barrel (45) and the limiting slot (46) are provided with multiple groups.

7. A jack spring assembly according to claim 5 wherein: The limiting barrel (45) slides inside the limiting slot (46); one group of the spring (42) and the positioning block (43) is arranged inside the mounting slot (41); and the other group of the spring (42) and the positioning block (43) is arranged inside the limiting barrel (45).

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