CN212848069U - Electric contact convenient to installation - Google Patents

Abstract

The utility model relates to an electrical contact field discloses an electrical contact convenient to installation, be columniform copper base member including pin fin and fixed connection on the pin fin, just be located the pin fin bottom and be fixed with the extension post on the lateral wall of copper base member, install fixture on the pin fin, fixture is including setting up the clamping rod and the adapter sleeve of swing joint in the extension post above the pin fin relatively, and clamping rod and adapter sleeve pass through fixed plate fixed connection. The application has the following advantages and effects: the clamping mechanism arranged on the pin head can enable workers to conveniently clamp the pin head to complete the installation operation of the electrical contact; the clamping rod and the connecting sleeve are connected to the fixing plate, and when the connecting sleeve is connected to the extension column, the clamping rod can be positioned above the pin head to assist in achieving clamping operation.

Description

Electric contact convenient to installation

Technical Field

The present application relates to the field of electrical contacts, and more particularly, to an electrical contact that is easy to install.

Background

The electrical contact is an important part of a high-voltage circuit breaker, a switch cabinet, an isolating switch and a grounding switch, and the performance of the electrical contact directly influences the quality and the service life of the high-voltage electrical appliances; the electric contacts include rivet-type electric contacts, which are mainly applied to various relays, contactors, miniature switches, temperature controllers, and the like.

At present, the patent with publication number CN205881703U discloses a rivet-type electrical contact, which comprises a salient point, a base, a retainer ring, a head silver complex layer, a tail silver complex layer and a copper base layer, wherein the top of the contact is provided with small salient points which are uniformly distributed, so that the welding process is simpler and more convenient, and the welding is more firm.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the existing rivet-type electrical contact is small and smooth in shape, and the operation is inconvenient when the electrical contact is installed on a corresponding electrical appliance, so that the improvement is still needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the simple operation nature when installing electrical contact in corresponding electrical apparatus, this application provides an electrical contact convenient to installation.

The application provides an electric contact convenient to installation adopts following technical scheme:

the utility model provides an electrical contact convenient to installation, includes that pin fin and fixed connection are the columniform copper base member on the pin fin, just be located the pin fin bottom and be fixed with the extension post on the lateral wall of copper base member, install fixture on the pin fin, fixture is including setting up the clamping rod and the adapter sleeve of swing joint in extending the post above the pin fin relatively, clamping rod and adapter sleeve pass through fixed plate fixed connection.

By adopting the technical scheme, the clamping mechanism arranged on the pin head can enable workers to conveniently clamp the pin head, and the installation operation of the electrical contact is completed; the clamping rod and the connecting sleeve are connected to the fixing plate, and when the connecting sleeve is connected to the extension column, the clamping rod can be positioned above the pin head to assist in achieving clamping operation.

Further: the clamping mechanism further comprises a connecting rod, the connecting rod is arc-shaped, two ends of the connecting rod are respectively and correspondingly fixed at two ends of the clamping rod, and the fixing plate is fixed at the bottom of the connecting rod, which is far away from one side of the clamping rod.

Through adopting above-mentioned technical scheme, curved connecting rod is compared in the straight-bar and has bigger toughness and difficult fracture, realizes being connected between supporting rod and fixed plate and the adapter sleeve through the connecting rod, connects the location that can realize the supporting rod in extending the post when adapter sleeve, realizes the centre gripping operation to the pin fin.

Further: the clamping rod is connected with the connecting rod in an inclined mode, one end of the reinforcing rod is fixed at two ends of the clamping rod respectively, and the other end of the reinforcing rod is crossed and fixed at a corresponding position of the connecting rod.

Through adopting above-mentioned technical scheme, two stiffeners and supporting rod form stable triangle-shaped, when playing the effect of the structural strength of reinforcing connecting rod and supporting rod, furthest enlarges the operating space between stiffener and the supporting rod, makes the centre gripping operation of supporting rod change and goes on.

Further: the lateral wall of extension post is inwards extended and is seted up the extension groove that supplies adapter sleeve to peg graft, adapter sleeve passes through location structure and is positioned the extension inslot.

By adopting the technical scheme, the extending groove provides space for the insertion of the connecting sleeve, and the positioning structure realizes the installation and positioning of the connecting sleeve, so that the purpose of fixing the clamping rod is achieved.

Further: the positioning structure comprises a sliding rod, a positioning rod and a positioning groove, the sliding rod is connected in the connecting sleeve in a sliding mode, the positioning rod is vertically fixed at one end, located in the extending groove, of the sliding rod, and the positioning groove is formed in the side wall, far away from the fixed plate, of the extending groove and used for the positioning rod to be inserted; the lateral wall of the positioning rod is fixed with a convex point, and the lateral wall of the positioning groove is provided with a groove for clamping the convex point.

Through adopting above-mentioned technical scheme, the slide bar slides in the adapter sleeve, makes the locating lever peg graft in the operation of constant head tank and bump joint in the recess can realize, provides the activity space for the separation of bump and recess again simultaneously, the dismouting supporting rod of being convenient for.

Further: and a check ring is fixed on the side wall of one end of the sliding rod, which is positioned outside the connecting sleeve and close to the positioning rod.

Through adopting above-mentioned technical scheme, the setting up of retaining ring makes the slide bar must drive the adapter sleeve and slides and just can make bump and recess break away from to the problem that the bump breaks away from easily with the recess promptly when avoiding the pulling slide bar improves the installation stability of supporting rod.

Further: the end part of the sliding rod which penetrates through the fixed plate is fixed with a driving block.

By adopting the technical scheme, the driving block is convenient for clamping and separating operation of the salient point and the groove from the outside.

Further: the electric contact position on the nail head is compounded with silver.

By adopting the technical scheme, the silver is only compounded at the necessary position of electrical contact on the pin head, so that the electrical contact performance of the electrical contact is improved, the silver is effectively saved, and the cost of the electrical contact is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arc-shaped connecting rod is fixed on the clamping rod, the arc shape has higher toughness and is not easy to break compared with a straight rod, the connecting rod is fixed on the connecting sleeve through the fixing plate, and the purpose of positioning the clamping rod can be achieved by installing the connecting sleeve in the extension column, so that an electric contact can be conveniently installed by clamping the clamping rod;

2. the setting of retaining ring makes the slide bar must drive the connecting sleeve and slide just can make bump and recess break away from to the problem that the bump breaks away from with the recess easily promptly when avoiding the pulling slide bar improves the installation stability of supporting rod.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

fig. 2 is a sectional view taken along line a-a of fig. 1.

Description of reference numerals: 1. a nail head; 2. a copper matrix; 3. extending the column; 31. an extension groove; 4. a clamping mechanism; 41. a clamping rod; 42. a connecting rod; 43. connecting a sleeve; 5. a reinforcing bar; 6. a fixing plate; 7. a positioning structure; 71. a slide bar; 711. a drive block; 72. positioning a rod; 721. salient points; 73. positioning a groove; 731. a groove; 8. and a retainer ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses electrical contact convenient to installation. Referring to fig. 1, the electric contact convenient to install comprises a nail head 1 and a cylindrical copper substrate 2 connected below the nail head 1, wherein silver is compounded at an electric contact position on the nail head 1, and the silver is compounded at a necessary position of the electric contact on the nail head 1, so that the electric contact performance of the electric contact is improved, the silver is effectively saved, and the cost of the electric contact is reduced; the upper portion of copper base member 2 is fixed with fixed connection in the extension post 3 of pin fin 1, extends and installs fixture 4 on the post 3, is convenient for realize the centre gripping to pin fin 1 through fixture 4.

Referring to fig. 1, the clamping mechanism 4 includes clamping rods 41 and connecting rods 42, the two clamping rods 41 are oppositely disposed above the nail head 1, the connecting rod 42 is arc-shaped, two ends of the connecting rod 42 are respectively and correspondingly fixed to two ends of the clamping rods 41, and the arc-shaped connecting rod 42 has greater toughness and is less prone to fracture than a straight rod; and the edge of the connecting bar 42 is located outside the stud 1.

Referring to fig. 1, two reinforcing rods 5 are obliquely connected between a clamping rod 41 and a connecting rod 42, one ends of the two reinforcing rods 5 are fixed at two ends of the clamping rod 41 respectively, the other ends of the two reinforcing rods 5 are intersected and fixed at the middle part of the connecting rod 42, the two reinforcing rods 5 and the clamping rod 41 form a stable triangle, the operation space between the reinforcing rods 5 and the clamping rod 41 is enlarged to the maximum extent while the structural strength of the connecting rod 42 and the clamping rod 41 is enhanced, and the clamping operation of the clamping rod 41 is easier to perform.

Referring to fig. 1 and 2, the clamping mechanism 4 further includes a connection sleeve 43, the bottom of the side of the connection rod 42 away from the clamping rod 41 is fixed with a fixing plate 6 extending downward, the connection sleeve 43 is fixed on the inner side wall of the fixing plate 6, the extending columns 3 extend inward on the opposite side walls at equal intervals to provide the extending grooves 31 for the connection sleeve 43 to be inserted, and the connection sleeve 43 is positioned in the extending grooves 31 through the positioning structure 7.

Referring to fig. 2, the positioning structure 7 includes a sliding rod 71, a positioning rod 72 and a positioning slot 73, the sliding rod 71 is square and horizontally slidably connected in the connecting sleeve 43, the positioning rod 72 is vertically fixed at one end of the sliding rod 71 located in the extending slot 31, the positioning slot 73 is opened on the side wall of the extending slot 31 far away from the fixing plate 6, and the positioning rod 72 is inserted in the positioning slot 73; the upper and lower sidewalls of the positioning rod 72 are fixed with protrusions 721, and the sidewall of the positioning slot 73 is provided with protrusions 721 for clamping the protrusions 721, so that the sliding rod 71 can be stably fixed, and the purpose of fixedly connecting the casing 43 is achieved.

Referring to fig. 2, the end of the sliding rod 71 penetrating the fixing plate 6 is fixed with a driving block 711 abutting against the side wall of the fixing plate 6, and the driving block 711 is provided to facilitate the engagement and disengagement operation of the protrusions 721 and the grooves 731 from the outside.

Referring to fig. 2, a retaining ring 8 is fixed on a side wall of the sliding rod 71 located at an end of the connecting sleeve 43 close to the positioning rod 72, and the retaining ring 8 is disposed such that the sliding rod 71 must drive the connecting sleeve 43 to slide to separate the protruding point 721 from the groove 731, thereby avoiding a problem that the protruding point 721 is easily separated from the groove 731 when the sliding rod 71 is pulled, and improving the installation stability of the clamping rod 41.

The implementation principle of the embodiment of the application is as follows:

the connecting sleeve 43 is inserted into the extending slot 31, then the driving block 711 is pushed to make the sliding rod drive the positioning rod 72 to be inserted into the positioning slot 73, then the protruding point 721 is clamped in the groove 731, at this time, the driving block 711 abuts against the side wall of the fixing plate 6, and thus the connecting rod 42 and the clamping rod 41 are installed above the stud 1, and the electrical contact is clamped and installed conveniently.

After the electrical contact is installed, the driving block 711 can be pulled out, and the clamping rod 41 and the connecting rod 42 can be detached under the driving of the retaining ring 8.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides an electrical contact convenient to installation, includes pin fin (1) and fixed connection be columniform copper base body (2) on pin fin (1), its characterized in that: the novel nail head structure is characterized in that an extension column (3) is fixed to the bottom of the nail head (1) on the side wall of the copper base body (2), a clamping mechanism (4) is installed on the nail head (1), the clamping mechanism (4) comprises a clamping rod (41) and a connecting sleeve (43), the clamping rod (41) and the connecting sleeve (43) are arranged above the nail head (1) relatively, the connecting sleeve (43) is movably connected into the extension column (3), and the clamping rod (41) and the connecting sleeve (43) are fixedly connected through a fixing plate (6).

2. An electrical contact for facilitating installation as claimed in claim 1, wherein: fixture (4) still include connecting rod (42), connecting rod (42) are the both ends of arc and connecting rod (42) and correspond the both ends that are fixed in supporting rod (41) respectively, fixed plate (6) are fixed in connecting rod (42) and keep away from the bottom of supporting rod (41) one side.

3. An electrical contact as claimed in claim 2, wherein: the clamping rod (41) and the connecting rod (42) are connected with a reinforcing rod (5) in an inclined mode, one end of the reinforcing rod (5) is fixed at two ends of the clamping rod (41) respectively, and the other end of the reinforcing rod (5) is crossed and fixed at a corresponding position of the connecting rod (42).

4. An electrical contact for facilitating installation as claimed in claim 1, wherein: the side wall of the extension column (3) is inwardly extended to be provided with an extension groove (31) for connecting a sleeve (43) to be inserted, and the sleeve (43) is positioned in the extension groove (31) through a positioning structure (7).

5. An electrical contact as claimed in claim 4, wherein: the positioning structure (7) comprises a sliding rod (71), a positioning rod (72) and a positioning groove (73), the sliding rod (71) is connected in the connecting sleeve (43) in a sliding mode, the positioning rod (72) is vertically fixed at one end, located in the extending groove (31), of the sliding rod (71), and the positioning groove (73) is formed in the side wall, away from the fixing plate (6), of the extending groove (31) and used for inserting the positioning rod (72); salient points (721) are fixed on the side wall of the positioning rod (72), and grooves (731) for clamping the salient points (721) are formed in the side wall of the positioning groove (73).

6. An electrical contact as claimed in claim 5, wherein: and a retainer ring (8) is fixed on the side wall of one end of the sliding rod (71) which is positioned outside the connecting sleeve (43) and close to the positioning rod (72).

7. An electrical contact as claimed in claim 5, wherein: the end part of the sliding rod (71) penetrating the fixed plate (6) is fixed with a driving block (711).

8. An electrical contact for facilitating installation as claimed in claim 1, wherein: silver is compounded at the electric contact position of the nail head (1).

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