CN213393273U

CN213393273U - Spiral tension spring connecting piece device

Info

Publication number: CN213393273U
Application number: CN202022328607.6U
Authority: CN
Inventors: 张杭建
Original assignee: Suzhou Dito Hardware Co ltd
Current assignee: Suzhou Dito Hardware Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-08
Anticipated expiration: 2030-10-19

Abstract

The utility model provides a spiral tension spring connecting piece device, including spiral tension spring body, connecting block, unable adjustment base and couple connecting block, a unable adjustment base has all been welded to spiral tension spring body upper end and lower extreme, the connecting block upper end surface has seted up the spread groove, unable adjustment base fixes on the connecting block through the spread groove, the connecting block lower extreme surface has seted up the mounting groove, couple connecting block lower extreme is fixed with the connection couple, the couple connecting block is installed in the mounting groove that the connecting block lower extreme surface was seted up through upper fixed ring, the coupler body inner circle of connection couple is provided with the resistance increase piece; compared with the prior art, the utility model discloses following beneficial effect has: each part on the spiral extension spring can be replaced, the use cost is reduced, upward adjustment can be carried out according to the actual condition, the spiral extension spring can be connected with an external object more stably, and the good functionality of the extension spring is guaranteed.

Description

Spiral tension spring connecting piece device

Technical Field

The utility model belongs to the technical field of machinery, in particular to spiral extension spring connecting piece device.

Background

The tension spring belongs to a tension spring in a spiral spring, is a spiral spring bearing axial tension, can be divided into a side hook tension spring, a long hook tension spring, an English hook tension spring, a German hook tension spring, a semicircular hook tension spring, a duckbilled hook tension spring and the like according to the hook form, a hook is used for ensuring the tension source of the tension spring and is generally made of spring steel with a circular section, when the tension spring does not bear load, the rings of the tension spring are generally parallel and tight without a gap, the tension spring works by using the rebound force (tension force) after tension to control the movement, the stored energy, the magnitude of the measuring force and the like of a machine part, most tension springs are generally under certain tension, even under the condition of no load, the initial tension determines the tightness of the coiling of the tension spring under the condition of no load, the tension spring is suitable for the working environments of high temperature, low temperature, corrosion resistance and the like, and the materials mainly comprise stainless steel spring wires, carbon steel wire, oil-quenched and tempered alloy spring wire, high-low temperature alloy spring wire, and the like.

However, in the use process of the existing tension spring, the defects that the draw hook is easy to deform under stress and the direction of the draw hook cannot be adjusted exist, and improvement is needed urgently.

Therefore, there is a need for a rotary tension spring connector apparatus that solves this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spiral extension spring connecting piece device to solve the problem of proposing among the above-mentioned background art.

The technical scheme of the utility model is realized like this: the utility model provides a spiral extension spring connecting piece device, includes spiral extension spring body, connecting block, unable adjustment base and couple connecting block, a unable adjustment base has all been welded to spiral extension spring body upper end and lower extreme, the spread groove has been seted up to connecting block upper end surface, unable adjustment base passes through the spread groove to be fixed on the connecting block, a through-hole has all been seted up to connecting block upper end right side surface and unable adjustment base right side surface intermediate position, installs stop screw in the through-hole, the mounting groove has been seted up to connecting block lower extreme surface, couple connecting block lower extreme is fixed with coupling hook, the couple connecting block passes through last solid fixed ring and installs in the mounting groove that connecting block lower extreme surface was seted up, coupling hook.

As a preferred embodiment, the upper end and the lower end of the spiral tension spring body are symmetrically arranged.

As a preferred embodiment, the inner ring surfaces of the through holes formed in the middle positions of the right side surface of the upper end of the connecting block and the right side surface of the fixed base are all engraved with internal threads.

As a preferred embodiment, the width and depth of the installation groove formed in the lower end surface of the connecting block are slightly larger than the width and thickness of the hook connecting block.

In a preferred embodiment, the upper fixing ring is composed of two semicircular rings, and the diameter of a circular hole formed by the two semicircular rings is slightly larger than that of a hook rod of the connecting hook.

As a preferred embodiment, a plurality of threaded holes are formed in the lower end surface of the connecting block, a plurality of threaded holes are formed in the lower end surface of the upper fixing ring, and the upper fixing ring is fixed to the lower end surface of the connecting block through a plurality of fixing bolts.

As a preferred embodiment, the upper end surface of the connecting block is provided with a connecting groove, the inner ring surface of the connecting groove is provided with internal threads, the outer ring surface of the fixed base is provided with external threads, and the fixed base is fixed on the connecting block through screwing between the threads.

After the technical scheme is adopted, the beneficial effects of the utility model are that: each part on the spiral tension spring can be replaced, so that the use cost is reduced; the connecting hooks can be directionally adjusted according to actual conditions through the arranged hook connecting blocks and the mounting grooves; through the resistance increase piece that sets up, can increase the frictional contact area of connecting hook when being connected with external object effectively to improve the frictional contact force, make connecting hook can be connected with external object more steadily, guarantee the good functional of extension spring.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is the utility model relates to an overall structure schematic diagram of spiral extension spring connecting piece device.

Fig. 2 is a schematic sectional view of the spiral tension spring connector device of the present invention.

Fig. 3 is an enlarged schematic view of a position a of the spiral tension spring connecting member device of the present invention.

In the figure, 1-a spiral tension spring body, 2-a connecting block, 3-an upper fixing ring, 4-a connecting hook, 5-a limiting screw, 6-a fixing base, 7-a fixing bolt, 8-a mounting groove, 9-a hook connecting block and 10-a resistance increasing piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a spiral extension spring connecting piece device, including spiral extension spring body 1, connecting block 2, unable adjustment base 6 and couple connecting block 9, a unable adjustment base 6 has all been welded to 1 upper end of spiral extension spring body and lower extreme, the spread groove has been seted up to 2 upper end surfaces of connecting block, unable adjustment base 6 fixes on connecting block 2 through the spread groove, a through-hole has all been seted up to 2 upper end right side surfaces of connecting block and 6 right side surface intermediate positions of unable adjustment base, install stop screw 5 in the through-hole, mounting groove 8 has been seted up to 2 lower extreme surfaces of connecting block, couple connecting block 9 lower extreme is fixed with connect couple 4, couple connecting block 9 is installed in the mounting groove 8 that 2 lower extreme surfaces of connecting block were seted up through last solid fixed ring.

The upper end and the lower end of the spiral tension spring body 1 are symmetrically arranged.

The internal thread is carved with on the through-hole inner circle surface that connecting block 2 upper end right side surface and 6 right side surface intermediate positions of unable adjustment base all seted up, is convenient for be connected with stop screw 5, can make spiral extension spring body 1 can not drop with connecting block 2 at the during operation.

The width and the degree of depth of the mounting groove 8 that connecting block 2 lower extreme surface was seted up slightly are greater than the width and the thickness of couple connecting block 9 for couple connecting block 9 can be at 8 internal rotations of mounting groove, ensures that couple 4 can come to carry out ascending adjustment according to actual demand.

Go up solid fixed ring 3 and constitute by two semicircle rings, the round hole diameter that two semicircle rings are constituteed slightly is greater than the diameter of the hook rod of connecting hook 4, ensures that connecting hook 4 can come upward adjustment according to actual demand.

A plurality of screw holes have been seted up to connecting block 2 bottom end surface, and a plurality of screw holes have been seted up to 3 bottom end surfaces of upper fixed ring, and upper fixed ring 3 fixes at connecting block 2 bottom end surface through a plurality of fixing bolt 7.

Connecting block 2 upper end surface is seted up the spread groove inner circle surface and is carved with the internal thread, and 6 outer lane surfaces of unable adjustment base are carved with the external screw thread, and unable adjustment base 6 closes soon through between the screw thread and fixes on connecting block 2, be convenient for installation and dismantlement.

As an embodiment of the present invention: when the connecting hook is used in practice, after the draw hook on the connecting hook 4 deforms under stress, and the connecting hook 4 needs to be replaced, firstly, the fixing bolts 7 on the surface of the lower end of the upper fixing ring 3 are detached from the connecting block 2 one by one, then the upper fixing ring 3 consisting of the two semicircular rings is taken down from the connecting block 2, at the moment, the connecting hook 4 and the hook connecting block 9 can be integrally taken down from the mounting groove 8 formed in the surface of the lower end of the connecting block 2, and then the replacing can be carried out; when the spiral tension spring body 1 needs to be replaced, the limiting screw 5 is taken out of the connecting block 2 and the fixed base 6, and then the spiral tension spring body 1 is held by a hand to rotate the connecting block 2; through the resistance increase piece 10 that sets up, can increase the frictional contact area of coupling hook 4 when being connected with external object effectively to improve the frictional contact force, make coupling hook 4 can be connected with external object more stably, guarantee the good functionality of extension spring.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a spiral extension spring connecting piece device, includes spiral extension spring body (1), connecting block (2), unable adjustment base (6) and couple connecting block (9), its characterized in that: spiral extension spring body (1) upper end and lower extreme all weld have a unable adjustment base (6), the spread groove has been seted up on connecting block (2) upper end surface, unable adjustment base (6) are fixed on connecting block (2) through the spread groove, a through-hole has all been seted up to connecting block (2) upper end right side surface and unable adjustment base (6) right side surface intermediate position, installs stop screw (5) in the through-hole, mounting groove (8) have been seted up on connecting block (2) lower extreme surface, couple connecting block (9) lower extreme is fixed with couple (4), couple connecting block (9) are installed in mounting groove (8) that connecting block (2) lower extreme surface was seted up through last solid fixed ring (3), the coupler body inner circle of couple (4) is provided with resistance increase (10).

2. The tension spring coupler assembly of claim 1, wherein: the upper end and the lower end of the spiral tension spring body (1) are symmetrically arranged.

3. The tension spring coupler assembly of claim 1, wherein: internal threads are carved on the surfaces of inner rings of through holes formed in the middle positions of the right side surface of the upper end of the connecting block (2) and the right side surface of the fixing base (6).

4. The tension spring coupler assembly of claim 1, wherein: the width and the depth of the mounting groove (8) formed in the lower end surface of the connecting block (2) are slightly larger than the width and the thickness of the hook connecting block (9).

5. The tension spring coupler assembly of claim 1, wherein: the upper fixing ring (3) is composed of two semicircular rings, and the diameter of a round hole formed by the two semicircular rings is slightly larger than that of a hook rod connected with the hook (4).

6. The tension spring coupler assembly of claim 1, wherein: a plurality of threaded holes are formed in the lower end surface of the connecting block (2), a plurality of threaded holes are formed in the lower end surface of the upper fixing ring (3), and the upper fixing ring (3) is fixed to the lower end surface of the connecting block (2) through a plurality of fixing bolts (7).

7. The tension spring coupler assembly of claim 1, wherein: the connecting groove is formed in the surface of the upper end of the connecting block (2), internal threads are carved on the surface of an inner ring of the connecting groove, external threads are carved on the surface of an outer ring of the fixed base (6), and the fixed base (6) is fixed on the connecting block (2) through screwing between the threads.