Stamping forming type extension spring connecting piece

Abstract

The utility model provides a stamping forming type extension spring connecting piece. Comprising two mounting blocks, connecting assemblies are arranged on the surfaces of the mounting blocks, and limiting assemblies are arranged on the inner sides of the connecting assemblies; the edges of the outer sides of the two connecting sleeves are jointly sleeved with an extension spring. According to the stamping forming type extension spring connecting piece, all parts of the device are arranged in a matched mode, a first sliding piece penetrates through a first communicating hole in the inner side of a mounting block and is connected to the inner side of a connecting sleeve in a sliding mode, and meanwhile a connecting block on the inner side of the connecting sleeve is clamped to the inner side of a first clamping groove; and a second limiting piece is clamped to the inner side of the other connecting sleeve, a limiting rod penetrates through second communicating holes formed in the inner sides of the two connecting sleeves, the extension length of the extension spring can be limited through the threaded connection relation of an outer threaded groove and an inner threaded groove under the action of the limiting rod, the service life of the extension spring is prolonged, and the extension spring is more worthy of application and popularization.

Description

TECHNICAL FIELD

[0001] The utility model relates to spring connecting piece technical field especially relates to a stamping forming type tension spring connecting piece. BACKGROUND

[0002] Cylindrical helical spring is mainly divided into compression and tension according to the state of use, and the cylindrical helical spring in the working state is mainly installed by setting the hooks at the two ends of the spring axis to realize the installation, and the tension spring is used for the suspension damping effect.

[0003] In the related art, the tension spring will appear no elastic potential or compression state temporarily in the actual working condition, and when the tension spring is in the no elastic potential or compression state, the hook connection structure at the two ends of the tension spring is prone to falling off.

[0004] Therefore, it is necessary to provide a stamping forming type tension spring connecting piece to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model provides a stamping forming type tension spring connecting piece, solve the tension spring will appear no elastic potential or compression state temporarily in the actual working condition, and when the tension spring is in the no elastic potential or compression state, the hook connection structure at the two ends of the tension spring is prone to falling off.

[0006] In order to solve the above technical problems, the utility model provides a stamping forming type tension spring connecting piece, which comprises: two mounting blocks, the mounting block surface is provided with a connecting assembly, the connecting assembly inner side is provided with a limiting assembly;

[0007] The connecting assembly includes a connecting sleeve arranged on the surface of the mounting block, spring connecting pieces are fixedly installed on the front and rear sides of the connecting sleeve, two spring insertion grooves are formed in the inner side of the spring connecting pieces, and sliding holes are formed in the inner side of the connecting sleeve; connecting blocks are fixedly installed on the front and rear sides of the inner side of the sliding hole;

[0008] The limiting assembly includes a first sliding piece arranged on the inner side of the connecting sleeve, first clamping grooves matched with the connecting blocks are formed on the front and rear sides of the first sliding piece, a limiting rod is fixedly installed on the surface of the first sliding piece, a second limiting piece is sleeved on the outer side edge of the limiting rod close to the top end, and second clamping grooves matched with the connecting blocks are formed on the front and rear sides of the second limiting piece.

[0009] Preferably, the outer side edges of the two connecting sleeves are jointly sleeved with a tension spring, the spring wire of the tension spring is inserted into the spring insertion groove, and the spring size is matched with the wire diameter of the tension spring.

[0010] Preferably, a plurality of mounting holes are formed on the inner side of the mounting block and located at the periphery of the connecting sleeve, and a first communication hole is formed on the inner side of the mounting block and communicated with the sliding hole.

[0011] Preferably, a second communication hole is formed on the adjacent side of each of the two connecting sleeves and communicated with the limiting rod, and the mounting block, the connecting sleeve, the two spring connecting members and the two connecting blocks are formed by stamping.

[0012] Preferably, the outer side edges of the first sliding member and the second limiting member are adapted to the sliding hole, and the first sliding member and the limiting rod are integrally formed.

[0013] Preferably, an external thread groove is formed on the outer side edge of the limiting rod near the top end, and an internal thread groove is formed on the inner side of the second limiting member and adapted to the external thread groove.

[0014] Compared with the related art, the stamping type tensile spring connecting member has the following beneficial effects:

[0015] The stamping type tensile spring connecting member comprises a mounting block, two connecting sleeves, two spring connecting members, two connecting blocks, a first sliding member, a second limiting member and a limiting rod. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a structural schematic view of a preferred embodiment of the stamping type tensile spring connecting member;

[0017] Figure 2 FIG. 2 is a structural schematic view of the mounting block shown in FIG. 1; Figure 1

[0018] Figure 3 FIG. 4 is a structural schematic view of the connecting sleeve shown in FIG. 1; Figure 1

[0019] Figure 4 FIG. 6 is a structural schematic view of the limiting assembly shown in FIG. 1. Figure 1

[0020] ​​​The following are the labeling elements in the diagram: 10. Mounting block; 20. Connecting assembly; 21. Connecting sleeve; 22. Spring connector; 23. Spring slot; 24. Sliding hole; 25. Connecting block; 30. Limiting assembly; 31. First sliding member; 32. First slot; 33. Limiting rod; 34. Second limiting member; 35. Second slot; 40. Tension spring; 50. Mounting hole. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 ,in, Figure 1 A schematic diagram of a preferred embodiment of the stamped tension spring connector provided by this utility model; Figure 2 for Figure 1 The diagram shows a side view of the connecting sleeve. Figure 3 for Figure 1 The structural schematic diagram is shown in the side sectional view of the connecting sleeve.

[0023] Figure 4 for Figure 1 The diagram shows a side sectional view of the limiting component. A stamped tension spring connector includes: two mounting blocks 10, with a connecting component 20 on the surface of each mounting block 10, and a limiting component 30 disposed inside the connecting component 20.

[0024] The connecting assembly 20 includes a connecting sleeve 21 disposed on the surface of the mounting block 10. Spring connectors 22 are fixedly installed on both the front and rear sides of the connecting sleeve 21. Two spring slots 23 are opened through the inner side of each spring connector 22. Sliding holes 24 are opened on the inner side of each connecting sleeve 21. Connecting blocks 25 are fixedly installed on both the front and rear sides of the inner side of the sliding holes 24.

[0025] The limiting rod 33 is threaded together with the second limiting member 34, and the spring wire of the tension spring 40 is inserted into the spring slot 23, so that the tension spring 40 can be stably connected even in the absence of elastic potential energy or in a compressed state. It is convenient to use and easy to disassemble and assemble. The device is fixedly connected to the position where the spring needs to be installed through the mounting hole 50, and it can be obtained by stamping and forming, reducing processing costs.

[0026] The limiting assembly 30 comprises a first sliding piece 31 arranged in the inner side of the connecting sleeve 21, first clamping grooves 32 adapted to the connecting blocks 25 are formed on the front and back sides of the first sliding piece 31, a limiting rod 33 is fixedly arranged on the surface of the first sliding piece 31, a second limiting piece 34 is sleeved on the outer side edge of the limiting rod 33 close to the top end, and second clamping grooves 35 adapted to the connecting blocks 25 are formed on the front and back sides of the second limiting piece 34.

[0027] In use, the first sliding piece 31 is arranged through the first communication hole in the inner side of the mounting block 10 and is connected in the inner side of the connecting sleeve 21, the connecting block 25 in the inner side of the connecting sleeve 21 is clamped in the first clamping groove 32, the second limiting piece 34 is clamped in the inner side of another connecting sleeve 21, the limiting rod 33 is arranged through the second communication hole in the inner side of the two connecting sleeves 21, and the extension length of the tensile spring 40 can be limited through the threaded connection relationship between the outer thread groove and the inner thread groove and the action of the limiting rod 33, the service life of the tensile spring 40 is prolonged, and the tensile spring connecting piece is more worthy of being widely used.

[0028] The outer side edges of the two connecting sleeves 21 are jointly sleeved with the tensile spring 40, spring wires of the tensile spring 40 are inserted into the spring insertion grooves 23, and the spring sizes are adapted to the wire diameters of the tensile spring 40.

[0029] A plurality of mounting holes 50 are formed in the inner side of the mounting block 10 and located at the circumferential side of the connecting sleeve 21, and a first communication hole is formed in the inner side of the mounting block 10 and communicated with the sliding hole 24.

[0030] Second communication holes through which the limiting rod 33 passes are formed on the adjacent sides of the two connecting sleeves 21, and the mounting block 10, the connecting sleeve 21, the two spring connecting pieces 22 and the two connecting blocks 25 are formed by stamping.

[0031] The outer side edges of the first sliding piece 31 and the second limiting piece 34 are adapted to the sliding hole 24, and the first sliding piece 31 and the limiting rod 33 are integrally arranged.

[0032] An outer thread groove is formed on the outer side edge of the limiting rod 33 close to the top end, and an inner thread groove adapted to the outer thread groove is formed in the inner side of the second limiting piece 34.

[0033] The working principle of the stamping type tensile spring connecting piece is as follows:

[0034] First step: when using, the first sliding piece 31 is passed through the first communication hole in the inner side of the mounting block 10 and is slidably connected in the inner side of the connecting sleeve 21, meanwhile, the connecting block 25 in the inner side of the connecting sleeve 21 is clamped in the first clamping groove 32, the second limiting piece 34 is clamped in the other connecting sleeve 21, the limiting rod 33 is passed through the second communication hole in the inner side of the two connecting sleeves 21, through the threaded connection relationship of the outer thread groove and the inner thread groove, through the action of the limiting rod 33, the elongation length of the tension spring 40 can be limited, the service life of the tension spring 40 is prolonged, and the tension spring connecting piece is more worthy of being popularized.

[0035] Second step: the limiting rod 33 and the second limiting piece 34 are threadedly connected together, the spring wire of the tension spring 40 is inserted into the spring insertion groove 23, the tension spring 40 can be stably connected in a state without elastic potential energy or compression, convenient to use, easy to disassemble and assemble, the device is fixedly connected to the position where the spring needs to be installed through the mounting hole 50, and the device can be obtained through stamping forming processing, and the processing cost is reduced.

[0036] Compared with the related art, the stamping forming type tension spring connecting piece has the following beneficial effects:

[0037] Through the cooperation of the various components of the device, the first sliding piece 31 is passed through the first communication hole in the inner side of the mounting block 10 and is slidably connected in the inner side of the connecting sleeve 21, meanwhile, the connecting block 25 in the inner side of the connecting sleeve 21 is clamped in the first clamping groove 32, the second limiting piece 34 is clamped in the other connecting sleeve 21, the limiting rod 33 is passed through the second communication hole in the inner side of the two connecting sleeves 21, through the threaded connection relationship of the outer thread groove and the inner thread groove, through the action of the limiting rod 33, the elongation length of the tension spring 40 can be limited, the service life of the tension spring 40 is prolonged, and the tension spring connecting piece is more worthy of being popularized.

[0038] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion obtained by using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A stamped tension spring connector, characterized in that, include: Two mounting blocks (10), the surface of which is provided with a connecting component (20), and the inner side of the connecting component (20) is provided with a limiting component (30); The connecting assembly (20) includes a connecting sleeve (21) disposed on the surface of the mounting block (10). Spring connectors (22) are fixedly installed on both the front and rear sides of the connecting sleeve (21). Two spring slots (23) are opened through the inner side of each spring connector (22). A sliding hole (24) is opened on the inner side of each connecting sleeve (21). Connecting blocks (25) are fixedly installed on both the front and rear sides of the inner side of the sliding hole (24). The limiting component (30) includes a first sliding member (31) disposed inside the connecting sleeve (21). The first sliding member (31) has a first slot (32) adapted to the connecting block (25) on both its front and rear sides. A limiting rod (33) is fixedly installed on the surface of the first sliding member (31). A second limiting member (34) is sleeved on the outer edge of the limiting rod (33) near the top. The second limiting member (34) has a second slot (35) adapted to the connecting block (25) on both its front and rear sides.

2. The stamped tension spring connector according to claim 1, characterized in that, The outer edges of the two connecting sleeves (21) are fitted with a tension spring (40), the spring wire of the tension spring (40) is inserted into the spring slot (23), and the size of the spring is adapted to the wire diameter of the tension spring (40).

3. The stamped tension spring connector according to claim 1, characterized in that, The mounting block (10) has multiple mounting holes (50) on its inner side and on the side of the connecting sleeve (21), and the mounting block (10) has a first connecting hole that communicates with the sliding hole (24).

4. The stamped tension spring connector according to claim 1, characterized in that, Each of the two connecting sleeves (21) has a second connecting hole on one side of each other, through which the limiting rod (33) can pass. The mounting block (10), connecting sleeve (21), two spring connectors (22) and two connecting blocks (25) are stamped.

5. The stamped tension spring connector according to claim 1, characterized in that, The outer edges of the first sliding member (31) and the second limiting member (34) are both adapted to the sliding hole (24), and the first sliding member (31) and the limiting rod (33) are integrally formed.

6. The stamped tension spring connector according to claim 1, characterized in that, The outer edge of the limiting rod (33) near the top is provided with an external thread groove, and the inner side of the second limiting member (34) is provided with an internal thread groove that matches the external thread groove.

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