CN104842290A - Clamping part detachable tweezer - Google Patents

Abstract

The invention discloses a clamping part detachable tweezers, comprising a body, the body includes a connecting part and a tweezers arm, a fixing part is provided on the outer wall of the front end of the tweezers arm, a jack is formed in the middle of the fixing part, and an upper part of the jack is There are stepped through holes on the side wall and the lower side wall, the outer end of the small diameter section of the stepped through hole protrudes from the side wall of the fixed part, the large diameter section of the stepped through hole communicates with the side wall of the jack, and the elastic block is inserted into the sleeve. In the large-diameter section, the fixed rod is inserted into the sleeve and clamped in the small-diameter section. The fixed rod is pressed against the elastic block. The other end of the elastic block is fixed with a steel ball. The top of the steel ball extends into the socket, and the clamping part The outer wall of the rear end is provided with a connecting block, on which an inserting rod is fixed, the inserting rod is inserted into the socket, and a steel ball is nested in a concave hole provided on the outer wall of the inserting rod. Its clamping part can be replaced, so that the whole replacement is not needed, the cost is reduced, waste is not generated, and environmental protection is achieved.

Description

A kind of clamping part detachable tweezers

Technical field:

The invention relates to the technical field of hardware products, in particular to a type of tweezers with detachable clamping parts.

Background technique:

Tweezers are a commonly used hardware product, especially in the processing of small or precision parts such as gemstones and electronics. The top of the tweezers arm has a connecting clamping part, which is clamped by the connecting clamping part. The connecting clamping part is the most easily deformed structure. After a long time of use, the connecting clamping part of the tweezers needs to be replaced if it is damaged. , which generates a lot of waste and increases the cost.

Invention content:

The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a clamping part detachable type tweezers, its clamping part can be replaced, so that there is no need to replace the whole, it reduces costs, does not produce waste, and is environmentally friendly.

The scheme that the present invention solves described technical problem is:

A clamping part detachable type tweezers, including a body, the body includes a connecting part and a tweezers arm, a fixing part is provided on the outer wall of the front end of the tweezers arm, a jack is formed in the middle of the fixing part, and the upper side wall and the lower part of the jack are There is a stepped through hole on the side wall, the outer end of the small diameter section of the stepped through hole protrudes from the side wall of the fixed part, the large diameter section of the stepped through hole communicates with the side wall of the jack, and the elastic block is inserted into the large diameter section , the fixed rod is inserted into the sleeve and clamped in the small diameter section, the fixed rod is pressed against the elastic block, the other end of the elastic block is fixed with a steel ball, the top of the steel ball extends into the socket, and the outer wall of the rear end of the clamping part A connection block is provided, on which a plunger is fixed, the plunger is inserted into the socket, and a steel ball is nested in a concave hole on the outer wall of the plunger.

As a preference of the above technical solution, the front end of the clamping part has a first clamping part extending forward, and the top end of the first clamping part has a bent clamping part.

As a preference of the above technical solution, the connecting block has a connecting stepped through hole, the top of the insertion rod has a screw joint, and the top of the screw joint has a bolt head, and the bolt head is at the large diameter through hole section of the connecting stepped through hole , the threaded portion is threaded into the internal thread at the small-diameter through-hole section connecting the stepped through-hole.

As a preference of the above technical solution, the middle part of the end surface of the fixed rod pressed against the elastic block has an insertion part, and the insertion part is nested in the main insertion hole provided on the corresponding end surface of the elastic block.

As a preference of the above technical solution, the other end of the elastic block has a spherical groove, and the steel ball is nested in the spherical groove and bonded and fixed on the bottom surface of the spherical groove.

The beneficial effect of the present invention is that: compared with the prior art, its clamping part can be replaced, so that the whole replacement is unnecessary, the cost is reduced, waste is not generated, and environmental protection is achieved.

Description of drawings:

The following drawings are only intended to illustrate and explain the present invention schematically, and do not limit the scope of the present invention. in:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of a partial structure of the present invention.

Detailed ways:

For an embodiment, as shown in Figures 1 to 2, a clamping part detachable tweezers includes a body, the body includes a connecting part 10 and a tweezers arm 20, and the front end outer wall of the tweezers arm 20 has a fixing part 21, The middle part of the fixed part 21 has a jack 22, and the upper side wall and the lower side wall of the jack 22 have a stepped through hole 23, and the outer end of the small diameter section 231 of the stepped through hole 23 stretches out from the side wall of the fixed part 21, and the step The large-diameter section 232 of the through hole 23 communicates with the side wall of the jack 22, the elastic block 24 is inserted into the large-diameter section 232, the fixed rod 25 is inserted into the small-diameter section 232, and the fixed rod 25 is pressed against the On the elastic block 24, the other end of the elastic block 24 is fixed with a steel ball 26, the top of the steel ball 26 extends into the socket 22, and the rear end outer wall of the clamping part 30 has a connecting block 31, and the connecting block 31 is fixed with an insertion rod 32 , the insertion rod 32 is inserted into the insertion hole 22 , and the steel ball 26 is nested in the concave hole 33 on the outer wall of the insertion rod 32 .

Furthermore, the front end of the clamping portion 30 has a first clamping portion 34 extending forward, and the top end of the first clamping portion 34 has a bent clamping portion 35 .

Further, the connecting block 31 has a connecting stepped through hole 311, the top of the insertion rod 32 has a screwed part 321, and the top of the screwed part 321 has a bolt head 322, and the bolt head 322 is on the large side of the connecting stepped through hole 311. At the diameter through hole section, the threaded part 321 is screwed into the internal thread at the small diameter through hole section connecting the stepped through hole 311 .

Furthermore, the fixed rod 25 has an inserting portion 251 in the middle of the end surface where it presses against the elastic block 24 , and the inserting portion 251 is nested in the main insertion hole 241 provided on the corresponding end surface of the elastic block 24 .

Furthermore, the other end of the elastic block 24 has a spherical groove 242 , and the steel ball 26 is nested in the spherical groove 242 and bonded and fixed on the bottom surface of the spherical groove 242 .

Working principle: by inserting the insertion rod 32 into the insertion hole 22, the steel ball 26 is nested in the concave hole 33 through the action of the elastic block 24 to realize fixing.

When replacement is required, the clamping portion 30 can be pulled out forcibly, and the insertion rod 32 can be replaced by rotating the screw joint 322 .

Finally, the above embodiments are only used to illustrate the present invention, rather than to limit the present invention. Those of ordinary skill in the relevant technical fields can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions also belong to the category of the present invention, and the scope of patent protection of the present invention should be defined by the claims.

Claims (5)

1. clamping part detachable tweezers, comprise body, described body comprises connecting portion (10) and tweezer arm (20), it is characterized in that: the front end outer wall of described tweezer arm (20) has fixed part (21), the middle part of fixed part (21) has jack (22), the upper portion side wall of jack (22) and lower sides has ladder hole (23), the sidewall of fixed part (21) is stretched out in the outer end of the reduced diameter section (231) of ladder hole (23), the enlarged diameter section (232) of ladder hole (23) communicates with the sidewall of jack (22), elastomer block (24) sleeve is in enlarged diameter section (232), fixed bar (25) sleeve holding are in reduced diameter section (232), fixed bar (25) is pressed against in elastomer block (24), the other end of elastomer block (24) is fixed with steel ball (26), the top of steel ball (26) is stretched in jack (22), the rear end outer wall of clamping part (30) has contiguous block (31), contiguous block (31) is fixed with inserted link (32), inserted link (32) sleeve is in jack (22), steel ball (26) is nested with in the shrinkage pool (33) that the outer wall of inserted link (32) has.

2. a kind of clamping part detachable tweezers according to claim 1, it is characterized in that: the front end of described clamping part (30) has the first clamping part (34) extended forward, the top of the first clamping part (34) has bending clamping part (35).

3. a kind of clamping part detachable tweezers according to claim 2, it is characterized in that: described contiguous block (31) has connection ladder hole (311), the top of inserted link (32) has spiro union portion (321), the top of spiro union portion (321) has bolt head (322), bolt head (322) is connecting the diameter through hole section place of ladder hole (311), and spiro union portion (321) is screwed onto in the internal thread at the minor diameter through hole section place connecting ladder hole (311).

4. a kind of clamping part detachable tweezers according to claim 3, it is characterized in that: have Plug Division (251) in the middle part of the end face that described fixed bar (25) is pressed against elastomer block (24) place, Plug Division (251) are nested in the main spliced eye (241) that elastomer block (24) corresponding end face has.

5. a kind of clamping part detachable tweezers according to claim 4, it is characterized in that: the other end of described elastomer block (24) has spherical groove (242), and steel ball (26) is nested in spherical groove (242) and is bonded and fixed on the bottom surface of spherical groove (242).