CN202743275U - Car inspection hammer with adjustable hammer handle length - Google Patents

Abstract

The utility model discloses and relates to a car inspection hammer with an adjustable hammer handle length, which is used for solving the problems that the conventional car inspection hammer is inconvenient to carry, and inconvenient to use under different environments due to the fixed hammer handle length. The car inspection hammer comprises a hammer head and a hammer handle, wherein the hammer handle comprises a first hammer handle section, a second hammer handle section and a third hammer handle section; a first boss and a second boss are arranged on the first hammer handle section; the second boss is arranged on one end of the first hammer handle section; one end of the second hammer handle section is provided with a first blocking ring; the other end of the second hammer handle section is provided with a third boss; one end of the third hammer handle section is provided with a second blocking ring; the hammer head is fixedly connected with one end, which is provided with the first boss, of the first hammer handle section; one end of the second boss is arranged inside the second hammer handle section; and the boss on the other end of the second hammer handle section is arranged inside the third hammer handle section. The car inspection hammer with the adjustable hammer handle length disclosed by the utility model is applicable to be specially used for maintaining railway instruments.

Description

A kind of train-checking hammer of hammer handle adjustable in length

Technical field

The utility model relates to a kind of train-checking hammer of regulating hammer handle length.

Background technology

The railway train-checking hammer is of wide application, train-checking hammer is applicable to inspection and the inspection on the train of railway track and uses, mainly be to check whether attaching parts has loosening, strike exactly screw, listening distinguishes that whether parts are loosening, check besides whether parts lost efficacy, such as strike steel spring, which segment or crackle arranged, but train-checking hammer of the prior art is because unadjustable the causing of hammer handle carried inconvenience, and is not suitable for working under different working environments.

The utility model content

The utility model is in order to solve existing train-checking hammer because hammer handle length fixedly causes carrying inconvenience, and under different environment inconvenient problem with use, and then provide a kind of train-checking hammer of hammer handle adjustable in length.

The utility model is to address the above problem the technical scheme that adopts to be: a kind of telescopic train-checking hammer described in the utility model, and described train-checking hammer comprises tup and hammer handle, hammer handle comprises first paragraph hammer handle, second segment hammer handle and the 3rd section hammer handle; First paragraph hammer handle, second segment hammer handle, the 3rd section hammer handle are the hollow shape body, the first paragraph hammer handle is provided with the first boss and the second boss, the second boss is located at an end of first paragraph hammer handle, be processed with the first outside thread on the first boss, the nearest end of the second boss distance the first boss is processed with the second outside thread, and the diameter of the second boss is greater than the second externally threaded nominal diameter; One end of second segment hammer handle is provided with the first barrier ring, be processed with the second negative thread in the first barrier ring, the other end of second segment hammer handle is provided with the 3rd boss, the shortest end of distance the first barrier ring of the 3rd boss is processed with the 3rd outside thread, and the diameter of the 3rd boss is greater than the 3rd externally threaded nominal diameter; One end of the 3rd section hammer handle is provided with the second barrier ring, is processed with the first negative thread and the 3rd negative thread on the second barrier ring, and the nominal diameter of the first negative thread is less than the 3rd negative thread nominal diameter; Tup is captiveed joint with first paragraph hammer handle one end that is provided with the first boss, one end of the second boss is arranged in the second segment hammer handle, and the second outside thread is threaded with the second negative thread, the other end the 3rd boss of second segment hammer handle is arranged in the 3rd section hammer handle, and the 3rd negative thread is threaded with the 3rd outside thread.

The beneficial effects of the utility model are: a kind of train-checking hammer of hammer handle adjustable in length is easy to carry, under different environment, regulate hammer handle length and can realize high efficiency work, the utlity model has the high characteristics of requirement, convenient operation, usability simple in structure, as to satisfy design.

Description of drawings

Fig. 1 is the utility model integral structure scheme drawing, Fig. 2 is the utility model first paragraph hammer handle front view, Fig. 3 is the utility model second segment hammer handle front view, Fig. 4 is the 3rd section hammer handle front view of the utility model, Fig. 5 is the utility model integral structure scheme drawing A place cutaway view Amplified image, and Fig. 6 is the utility model integral structure scheme drawing B place cutaway view Amplified image.

The specific embodiment

The specific embodiment one: present embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the train-checking hammer of a kind of hammer handle adjustable in length of present embodiment, described train-checking hammer comprises tup 1 and hammer handle 6, and hammer handle 6 comprises first paragraph hammer handle 2, second segment hammer handle 3 and the 3rd section hammer handle 4; First paragraph hammer handle 2, second segment hammer handle 3, the 3rd section hammer handle 4 are the hollow shape body, first paragraph hammer handle 2 is provided with the first boss 2-1 and the second boss 2-4, the second boss 2-4 is located at an end of first paragraph hammer handle 2, be processed with the first outside thread 2-2 on the first boss 2-1, the nearest end of the second boss 2-4 distance the first boss 2-1 is processed with the second outside thread 2-3, and the diameter D1 of the second boss 2-4 is greater than the nominal diameter d1 of the second outside thread 2-3; One end of second segment hammer handle 3 is provided with the first barrier ring 3-1, be processed with the second negative thread 3-2 in the first barrier ring 3-1, the other end of second segment hammer handle 3 is provided with the 3rd boss 3-4, the shortest end of distance the first barrier ring 3-1 of the 3rd boss 3-4 is processed with the 3rd outside thread 3-3, and the diameter D2 of the 3rd boss 3-4 is greater than the nominal diameter d2 of the 3rd outside thread 3-3; One end of the 3rd section hammer handle 4 is provided with the second barrier ring 4-3, is processed with the first negative thread 4-1 and the 3rd negative thread 4-2 on the second barrier ring 4-3, and the nominal diameter d3 of the first negative thread 4-1 is less than the 3rd negative thread 4-2 nominal diameter D3; Tup 1 is captiveed joint with first paragraph hammer handle 2 one ends that are provided with the first boss 2-1, the end of the second boss 2-4 is arranged in the second segment hammer handle 3, and the second outside thread 2-3 is threaded with the second negative thread 3-2, the other end the 3rd boss 3-4 of second segment hammer handle 3 is arranged in the 3rd section hammer handle 4, and the 3rd negative thread 4-2 is threaded with the 3rd outside thread 3-3.

The specific embodiment two: in conjunction with the train-checking hammer of Fig. 1 and the described a kind of hammer handle adjustable in length of Fig. 4 present embodiment, described train-checking hammer also comprises plug 5, and an end of plug 5 is processed with the screw thread 5-1 all round, and other is identical with the specific embodiment one.

The specific embodiment three: in conjunction with the train-checking hammer of Fig. 1, Fig. 3 and the described a kind of hammer handle adjustable in length of Fig. 4 present embodiment, described the 3rd section hammer handle 4 other ends are processed with the 4th negative thread 4-4, plug 5 is installed on the 4th negative thread 4-4, and the 4th negative thread 4-4 with all round screw thread 5-1 be threaded, other is identical with the specific embodiment two.

The specific embodiment four: in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6 illustrate the train-checking hammer of the described a kind of hammer handle adjustable in length of present embodiment, described the first outside thread 2-2 is identical with the diameter of the first negative thread 4-1, pitch equates, screw thread is minus thread, the second outside thread 2-3 is identical with the second negative thread 3-2 diameter, pitch equates, screw thread is right-hand screw thread, the 3rd outside thread 3-3 is identical with the diameter of the 3rd negative thread 4-2, pitch equates, screw thread is right-hand screw thread, the diameter of screw thread 5-1 is identical all round with for the 4th negative thread 4-4, pitch equates, screw thread is right-hand screw thread, and other is identical with the specific embodiment three.

Principle of work

Regulate a kind of length of hammer handle of train-checking hammer of hammer handle adjustable in length according to the space difference of work, the first outside thread on the hammer handle and the first negative thread can be outwarded winding on the broad ground of working space and to make and to screw respectively the second outside thread and the second negative thread, the 3rd outside thread captives joint it with the 3rd negative thread, reach hammer handle length of the present utility model and reach progress row work, when working space narrow or when under off working state, carrying with the second outside thread and the second negative thread, the 3rd outside thread and the 3rd negative thread are outwarded winding and hammer handle of the present utility model are reached the shortest state, and the first outside thread and the first negative thread screwed carry out work.

Claims (4)

1. the train-checking hammer of a hammer handle adjustable in length, described train-checking hammer comprises tup (1) and hammer handle (6), it is characterized in that: hammer handle (6) comprises first paragraph hammer handle (2), second segment hammer handle (3) and the 3rd section hammer handle (4); First paragraph hammer handle (2), second segment hammer handle (3), the 3rd section hammer handle (4) are the hollow shape body, first paragraph hammer handle (2) is provided with the first boss (2-1) and the second boss (2-4), the second boss (2-4) is located at an end of first paragraph hammer handle (2), be processed with the first outside thread (2-2) on the first boss (2-1), the nearest end of the second boss (2-4) distance the first boss (2-1) is processed with the second outside thread (2-3), and the diameter (D1) of the second boss (2-4) is greater than the nominal diameter (d1) of the second outside thread (2-3); One end of second segment hammer handle (3) is provided with the first barrier ring (3-1), be processed with the second negative thread (3-2) in the first barrier ring (3-1), the other end of second segment hammer handle (3) is provided with the 3rd boss (3-4), the shortest end of distance the first barrier ring (3-1) of the 3rd boss (3-4) is processed with the 3rd outside thread (3-3), and the diameter (D2) of the 3rd boss (3-4) is greater than the nominal diameter (d2) of the 3rd outside thread (3-3); One end of the 3rd section hammer handle (4) is provided with the second barrier ring (4-3), be processed with the first negative thread (4-1) and the 3rd negative thread (4-2) on the second barrier ring (4-3), and the nominal diameter (d3) of the first negative thread (4-1) is less than the 3rd negative thread (4-2) nominal diameter (D3); Tup (1) is captiveed joint with first paragraph hammer handle (2) one ends that are provided with the first boss (2-1), one end of the second boss (2-4) is arranged in the second segment hammer handle (3), and the second outside thread (2-3) is threaded with the second negative thread (3-2), the other end the 3rd boss (3-4) of second segment hammer handle (3) is arranged in the 3rd section hammer handle (4), and the 3rd negative thread (4-2) is threaded with the 3rd outside thread (3-3).

2. the train-checking hammer of described a kind of hammer handle adjustable in length according to claim 1, it is characterized in that: described train-checking hammer also comprises plug (5), an end of plug (5) is processed with the screw thread (5-1) all round.

3. the train-checking hammer of described a kind of hammer handle adjustable in length according to claim 2, it is characterized in that: described the 3rd section hammer handle (4) other end is processed with the 4th negative thread (4-4), plug (5) is installed on the 4th negative thread (4-4), and the 4th negative thread (4-4) with all round screw thread (5-1) be threaded.

4. the train-checking hammer of described a kind of hammer handle adjustable in length according to claim 3, it is characterized in that: described the first outside thread (2-2) is identical with the diameter of the first negative thread (4-1), pitch equates, screw thread is minus thread, the second outside thread (2-3) is identical with the second negative thread (3-2) diameter, pitch equates, screw thread is right-hand screw thread, the 3rd outside thread (3-3) is identical with the diameter of the 3rd negative thread (4-2), pitch equates, screw thread is right-hand screw thread, the diameter of screw thread (5-1) is identical all round with for the 4th negative thread (4-4), pitch equates that screw thread is right-hand screw thread.

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