CN208391873U - A kind of clamping device - Google Patents

Abstract

The utility model discloses a kind of clamping devices, including the first clamping part, the second clamping part and fastening part, the fixed setting of first clamping part, fastening part is threadedly coupled with the first clamping part, fastening part is rotatably connect with the second clamping part, drive the second clamping part mobile relative to the first clamping part by rotation fastening part, to change the distance between the first clamping part and the second clamping part, to clamp to various sizes of clamped article.Clamping device structure in the utility model is simple, easy to use, applied widely, substantially increases the working efficiency of tester, saves the testing time, and large-scale promotion is suitble to use.

Description

A kind of clamping device

Technical field

The utility model relates to fixed engineering device technique field, especially a kind of clamping devices.

Background technique

Needle flame test equipment in existing electric car detection process is to clamp sample by clip to carry out in test Combustion testing, but the size of original fixture can not be adjusted, during the test can not for test sample into The corresponding adjustment of row, causes the problem of can not clamping to larger-size sample.

In addition, existing fixture causes the relaxing of spring of fixture after long-term use, and then causes the grip of fixture insufficient, Sample can not effectively be clamped.Meanwhile fixture gets rusty easily and fractures, and causes the dynamics for clamping sample small and can not clamp Sample.

Utility model content

In view of this, one of the purpose of this utility model, which is to provide one kind, to be adjusted fixture according to sample size Section, so that clamping effect is more preferable, the simpler reliable clamping device of structure.

In order to achieve the above object, the utility model uses following technical scheme:

A kind of clamping device, including the first clamping part, the second clamping part and fastening part, the first clamping part fixation are set It sets, the fastening part is threadedly coupled with first clamping part, and the fastening part and second clamping part are rotatably Connection drives second clamping part mobile relative to first clamping part by rotating the fastening part, to change described the The distance between one clamping part and second clamping part, to be clamped to various sizes of clamped article.

Preferably, the fastening part is in elongate structure, and the clamping device further includes being rotatably arranged in the fastening Regulating part in the first end in portion, the regulating part are fastenedly connected with second clamping part formation, by rotating the fastening Portion adjusts distance of the first end of the fastening part apart from first clamping part, to adjust first clamping part and described The distance between second clamping part.

Preferably, mounting hole is provided on first clamping part, the second end of the fastening part passes through the mounting hole Through first clamping part, is formed and be threadedly coupled between the fastening part and the mounting hole.

Preferably, the fastening part includes star-like screw rod, and the star-like screw rod includes regulation handle, and the regulation handle is set It sets in the second end of the fastening part.

Preferably, the regulating part includes baffle,

The first end of the fastening part is provided with annular groove, and the baffle is inserted into the annular groove to limit Baffle is stated in the displacement of the length direction of the fastening part；And/or

The regulating part is fixedly connected with second clamping part by fastener.

Preferably, the side far from first clamping part of second clamping part is arranged in the baffle.

Preferably, the clamping device further includes the limiting unit for limiting the second clamping part rotation.

Preferably, the limiting unit is fixedly connected with first clamping part, and sliding slot is provided in the limiting unit, described Sliding block is provided on second clamping part, the sliding block is inserted into the sliding slot and slides along the sliding slot.

Preferably, clamping device further includes bracket, and the limiting unit is cylindrical or cylinder-shaped, one end of the limiting unit It is fixedly connected with first clamping part, is provided with fixation hole on one end far from first clamping part of the limiting unit, For being connect with the bracket.

Preferably, the limiting unit is fastenedly connected with the bracket by fastener formation；And/or

One end of the limiting unit is formed a fixed connection with first clamping part by welding manner；And/or

The clamping device is made of wear-resisting steel plate material.

Clamping device provided by the utility model, including the first clamping part and the second clamping part that can be relatively moved, energy It is enough different according to the size for being clamped article, change the distance between the first clamping part and the second clamping part, to different sizes Article carry out effectively, reliable, quickly clamping.Meanwhile clamping device structure in the utility model it is simple, it is easy to use, It is applied widely, the working efficiency of tester is substantially increased, the testing time is saved, large-scale promotion is suitble to use.

Detailed description of the invention

By referring to the drawings to the description of the utility model embodiment, the above-mentioned and other mesh of the utility model , feature and advantage will be apparent from, in the accompanying drawings:

Fig. 1 shows the tomograph of the clamping device of specific embodiment of the present invention offer；

Fig. 2 shows the baffle structure figures that specific embodiment of the present invention provides.

In figure,

1, the first clamping part；2, the second clamping part；21, sliding block；3, fastening part；31, regulation handle；4, regulating part；41, it keeps off Piece；411, card slot；412, threaded securing bores；5, limiting unit；51, fixation hole.

Specific embodiment

The utility model is described below based on embodiment, but the utility model is not restricted to these implementations Example.It should be understood by one skilled in the art that attached drawing is provided to the purpose of explanation provided herein, and attached drawing is not necessarily It is drawn to scale.

Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar Word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, be " including but not limited to " contains Justice.

In the description of the present invention, it should be understood that term " first ", " second " etc. are used for description purposes only, It is not understood to indicate or imply relative importance.In addition, in the description of the present invention, unless otherwise indicated, it is " more It is a " it is meant that two or more.

As shown in Figure 1, this application provides a kind of clamping device, including the first clamping part 1, the second clamping part 2 and fastening Portion 3, first clamping part 1 are fixedly installed, and the fastening part 3 is threadedly coupled with first clamping part 1, the fastening part 3 It is rotatably connect with second clamping part 2, drives second clamping part 2 opposite by rotating the fastening part 3 First clamping part 1 is mobile, to change the distance between first clamping part 1 and second clamping part 2, to difference The clamped article of size is clamped.Preferably, the first clamping part 1 and the second clamping part 2 are plate structure, and fastening part 3 can Think stud.It is further preferred that the first clamping part 1 and the second clamping part 2 are processed by wear-resisting steel plate, the first clamping is improved The Corrosion Protection and intensity in portion 1 and the second clamping part 2, to extend the service life of clamping device.When clamped article When size is larger, the distance between the first clamping part 1 and the second clamping part 2 can be increased by adjusting fastening part 3, so that the One clamping part 1 and the second clamping 2 can clamp the article of larger size.It is, of course, understood that ought be clamped Item sizes are smaller, can correspondingly turn the distance between the first clamping part 1 and the second clamping part 2 down.

Further, the fastening part 3 is in elongate structure, the clamping device further include be rotatably arranged in it is described tight Gu the regulating part 4 in the first end in portion 3, as shown in Fig. 2, the regulating part 4 is fastenedly connected with second clamping part formation.? In one preferred embodiment, the regulating part 4 includes baffle 41, and the first end of the fastening part 3 is provided with annular groove (not shown) is provided with card slot 411 on the baffle 41, and the card slot 411 of baffle 41 is inserted into the annular groove To limit the baffle 41 in the displacement of the length direction of the fastening part 3.When fastening part 3 rotates, baffle 41 and fastening part 3 Circumferential direction there is certain friction, but baffle 41 will not be rotated together with fastening part 3.Baffle 41 passes through with the second clamping part 2 For example the fasteners such as screw are fixed together, and symmetrical two threaded securing bores 412 are provided on baffle 41, to guarantee baffle 41 With the fixation reliability between the second clamping part 2, guarantee that the second clamping part 2 can be moved together with the first end of fastening part 4, And then change the distance between the first clamping part 1 and the second clamping part 2.Second clamping part 2 is arranged in the baffle 41 Side far from first clamping part 1, to guarantee that baffle 41 will not be impacted and be interfered to clamped article.

Mounting hole (not shown) is provided on first clamping part 1, the second end of the fastening part 3 passes through described Mounting hole runs through first clamping part 1, is formed and is threadedly coupled between the fastening part 3 and the mounting hole.Preferably, described Fastening part 3 includes star-like screw rod, and the star-like screw rod includes regulation handle 31, and the regulation handle 31 is arranged in the fastening part It is convenient that fastening part 3 is adjusted in 3 second end.Regulation handle 31 is rotated, the external screw thread on fastening part 3 and installation are driven The internal screw thread in hole is cooperated, and by adjusting star-like screw rod forward or reverse, and then adjusts the first end of star-like screw rod with respect to the The distance of one clamping part 1 changes, due to being provided with the second clamping part 2 in the first end of star-like screw rod, the second clamping Portion 2 changes therewith with respect to the distance of the first clamping part 1.

Further, the clamping device further includes the limiting unit 5 rotated for limiting second clamping part 2.Institute It states limiting unit 5 to be fixedly connected with first clamping part 1, is provided with sliding slot (not shown) in the limiting unit 5, sliding slot is set It sets in the lower part of limiting unit 5.Sliding block 21 is provided on second clamping part 2, it is preferable that sliding block 21 is with the second clamping part 2 Integral structure, the sliding block 21 are inserted into the sliding slot and slide along the sliding slot.The sliding slot of limiting unit 5 can pass through Sliding block 21 is limited, and then guarantees that the second clamping part 2 will not be swung, with the accuracy of guarantee test result.Clamping Device further includes bracket (not shown), and the limiting unit 5 is cylindrical or cylinder-shaped, one end of the limiting unit 5 and institute It states the first clamping part 1 to be fixedly connected, is provided with fixation hole 51 on one end far from first clamping part 1 of the limiting unit 5, For being connect with the bracket (not shown).Pass through fastening due to being provided with bracket, and between the first clamping part 1 and bracket Part is fixedly connected, the difference for the sample that on the one hand can be tested as needed, to the first clamping part 1 and the second clamping part 2 It is replaced, on the other hand, additionally it is possible to guarantee stability, the safety and reliability of clamping.Meanwhile when 1 He of the first clamping part When second clamping part 2 is damaged, quick-replaceable can be carried out to it, not influence test progress.Preferably, the limiting unit 5 It is fastenedly connected with the bracket by the formation of the fasteners such as such as screw.One end of the limiting unit 5 and first clamping part 1 It is formed a fixed connection by welding manner.Since the structure of clamping device is simple, quickly it can be installed, dismantled and more It changes, so that the scope of application of clamping device is wider.

Preferably, clamping device is made of wear-resisting steel plate material, can be burnt with high temperature resistant to be suitable for clamping sample The problems such as testing and will not deforming.

When carrying out sampling test using the clamping device in the application, rotation regulation handle 31 drives star-like screw rod to turn It is dynamic, and then opposite first clamping part 1 of the second clamping part 2 is driven to move, the sliding block 21 of 2 upper end of the second clamping part is along limiting unit 5 Lower part sliding slot sliding, until sample is clamped between the first clamping part 1 and the second clamping part 2.Solves existing folder Tool can not be adjusted according to the size of sample, and be applicable in the inadequate problem of rear jig clamping force for a long time, in the application Clamping device structure be simple and convenient to operate, good clamping effect, be conducive to tester and sample quickly tested, it is ensured that Test accuracy.

Those skilled in the art will readily recognize that above-mentioned each preferred embodiment can be free under the premise of not conflicting Ground combination, superposition.

It should be appreciated that above-mentioned embodiment is merely exemplary, and not restrictive, without departing from the utility model In the case where basic principle, those skilled in the art can be for the various apparent or equivalent modification that above-mentioned details is made Or replacement, it is all included in the scope of the claims of the utility model.

Claims (10)

1. a kind of clamping device, which is characterized in that including the first clamping part, the second clamping part and fastening part, first clamping Portion's fixed setting, the fastening part are threadedly coupled with first clamping part, and the fastening part can phase with second clamping part To rotationally connecting, drive second clamping part mobile relative to first clamping part by rotating the fastening part, to change Become the distance between first clamping part and second clamping part, to clamp to various sizes of clamped article.

2. clamping device according to claim 1, which is characterized in that the fastening part is in elongate structure, the clamping dress Setting further includes the regulating part being rotatably arranged in the first end of the fastening part, the regulating part and second clamping part Formation is fastenedly connected, adjusted by rotating the fastening part first end of the fastening part apart from first clamping part away from From to adjust the distance between first clamping part and second clamping part.

3. clamping device according to claim 2, which is characterized in that be provided with mounting hole on first clamping part, institute The second end for stating fastening part passes through the mounting hole and runs through first clamping part, shape between the fastening part and the mounting hole At threaded connection.

4. clamping device according to claim 2, which is characterized in that the fastening part includes star-like screw rod, described star-like Screw rod includes regulation handle, and the regulation handle is arranged in the second end of the fastening part.

5. clamping device according to claim 2, which is characterized in that the regulating part includes baffle,

The first end of the fastening part is provided with annular groove, and the baffle is inserted into the annular groove to limit the gear Displacement of the piece in the length direction of the fastening part；And/or

The regulating part is fixedly connected with second clamping part by fastener.

6. clamping device according to claim 5, which is characterized in that the remote of second clamping part is arranged in the baffle Side from first clamping part.

7. clamping device according to one of claims 1 to 6, which is characterized in that the clamping device further includes for limiting Make the limiting unit of the second clamping part rotation.

8. clamping device according to claim 7, which is characterized in that the limiting unit and the fixed company of first clamping part It connects, sliding slot is provided in the limiting unit, sliding block is provided on second clamping part, the sliding block is inserted into the cunning It is slided in slot and along the sliding slot.

9. clamping device according to claim 8, which is characterized in that clamping device further includes bracket, and the limiting unit is Cylindrical or cylinder-shaped, one end of the limiting unit is fixedly connected with first clamping part, the limiting unit far from described in It is provided with fixation hole on one end of first clamping part, for connecting with the bracket.

10. clamping device according to claim 9, which is characterized in that the limiting unit and the bracket pass through fastener Formation is fastenedly connected；And/or

One end of the limiting unit is formed a fixed connection with first clamping part by welding manner；And/or

The clamping device is made of wear-resisting steel plate material.