CN217812874U - Insulation key for electric appliance control cabinet - Google Patents

Abstract

The utility model discloses an insulating key for an electric appliance control cabinet, which comprises a key body and a key handle, wherein a wearing piece is arranged in the key handle, an insulating sheath is arranged outside the key handle, and a key accommodating sleeve is arranged in the key handle; the lower part of the key containing sleeve is provided with a lock bead and a clamping ring, the clamping ring is arranged in the clamping ring groove, and a clamping ring limiting step is arranged in the sliding sleeve; a first key head and a second key head are arranged at two ends of the key body, a locking platform is arranged on the outer wall of the key body, and a locking bead clamping hole is formed in the locking platform; a spring is arranged between the sliding sleeve and the key accommodating sleeve, and a clamping ring at the lower part of the key accommodating sleeve is arranged below a clamping ring limiting step in the sliding sleeve; the lock bead in the key receiving sleeve can be clamped into the lock bead clamping hole of the locking table in the key body. The utility model discloses a half packet of formula insulation system has only wrapped the key handle position and has insulated the isolation through insulating the isolation pad, the utility model discloses there are two kinds of implementation structures, all guaranteed convenient to use, operation safety.

Description

Insulation key for electric appliance control cabinet

Technical Field

The utility model relates to an accessory of electrical apparatus switch board among the oil installation especially involves the insulating key for the electrical apparatus switch board.

Background

Various electrical equipment used in the oil field production process is generally controlled by an electrical control cabinet. The existing control cabinet keys are all alloy electric conductors, and electricity must be tested firstly when the control cabinet is used on site, and then the control cabinet door of the electric appliance is opened and closed by wearing insulating gloves. Insulating gloves of field usage adopt natural rubber to make, and is wide big, heavy, the material is harder, and the switch board key is less, and the staff uses current key behind wearing insulating gloves, difficult operation, and easily drop. At present, key holes of an electric appliance control cabinet are mostly of two types, and workers need to carry two different keys respectively, so that the electric appliance control cabinet is inconvenient to carry and store.

Through retrieval, the keys similar to the keys of the electric appliance control cabinet are roughly as follows:

a multi-function key wrench, patent application No.: 201620212598.5, a multifunctional key spanner that the above-mentioned application disclosed belongs to hardware and tools technical field, including the key spanner body, the key spanner body is by first key head, second key head, third key head and fourth key head integrated into one piece, first key head, second key head, third key head and fourth key head all are equipped with one at least and open the groove, and open the shape in groove and have two differences at least. Above-mentioned patent technical structure reasonable in design, the processing cost is low, convenient to carry, convenient to use can match the different groove of opening as required, realizes that a key spanner can satisfy the demand under the multiple operating mode condition.

The following drawbacks still exist: although the above patent technology is suitable for the requirements of two key keyholes, the key is made of metal materials, has no insulating property, and the key body is Y-shaped, so that the stress is not on a straight line when in use, and the operation is inconvenient.

A multi-purpose combination key, patent application No.: 201720795482.3 discloses a multipurpose combined key, which adopts a three-way design principle to weld one end of an outer hexagonal key handle, one end of a cross-shaped key handle and one end of an inner square key handle together to form a Y-shaped key handle structure; the other end of the outer hexagonal key handle is an outer hexagonal key head, and the outer hexagonal key head and the outer hexagonal key handle have the same appearance structure; the cross-shaped key handle is of a circular tube-shaped structure, and symmetrical rectangular convex blocks are welded on the outer circular surface of the other end of the circular tube-shaped cross-shaped key handle, so that a cross-shaped key head with an inner circular hole is formed; the inner square key handle is of a cylindrical structure, a circular boss is welded at the other end of the key handle of the cylindrical structure, and an inner square structure is arranged on the inner circular surface of the circular boss; above-mentioned utility model through the key set of different shapes together, reach the purpose of saving space, improvement work efficiency.

The following drawbacks still exist: although the above patent technology is convenient to carry and use, the insulating glove is not insulated, is limited to a non-charged body, and is needed to be worn by a user on a charged body, so that inconvenience is brought to the user, and the insulating effect is lacked.

A multifunction key, patent application No.: 201820052581.7, which is disclosed in the above patent application, the multifunctional key comprises a key shell and a key head arranged on the key shell, wherein the key shell comprises an upper cover and a lower cover; the upper cover is buckled with the lower cover; the key heads are respectively a first key head, a second key head and a third key head, and the first key head, the second key head and the third key head are respectively arranged between the upper cover and the lower cover; the second key head is fixed between the upper cover and the lower cover; the first key head and the third key head are movably and rotatably arranged between the upper cover and the lower cover; the first key head, the second key head and the third key head are respectively used for unlocking three different locksets.

The following drawbacks remain: the above patent technology is still made of metal materials, has no insulation function, and still needs to wear insulation gloves. The split type portable electric scooter is formed by split assembly, has more parts and is inconvenient to use and carry.

For convenient use, the key of the electric appliance control cabinet is to be improved so as to avoid the inconvenience brought by wearing the insulating gloves.

Disclosure of Invention

The utility model aims at providing an electric appliance is insulating key for switch board solves present switch electric appliance switch board cabinet door and does not wear insulating gloves and easily electrocute, wear insulating gloves back operation inconvenience, still need carry the problem of multiple key. The operation is convenient, the potential safety hazard is eliminated, and the carrying and the use are convenient.

The technical solution of the utility model is that: insulating key for electrical apparatus switch board includes key body and key handle, is equipped with in the key handle and wears the piece, wherein: an insulating sheath is arranged outside the key handle, and a key accommodating sleeve is arranged in the key handle; the lower part of the key containing sleeve is provided with a lock bead and a clamping ring, the clamping ring is arranged in a clamping ring groove, and a clamping ring limiting step is arranged in the sliding sleeve; a first key head and a second key head are arranged at two ends of the key body, a locking platform is arranged on the outer wall of the key body, and a locking bead clamping hole is formed in the locking platform; a spring is arranged between the sliding sleeve and the key accommodating sleeve, and a clamping ring at the lower part of the key accommodating sleeve is arranged below a clamping ring limiting step in the sliding sleeve; the lock bead in the key receiving sleeve can be clamped into the lock bead clamping hole of the locking table in the key body.

Preferably, the outer diameter of the lower end of the key handle is larger than that of the upper part of the key handle, the lower part of the insulating sheath is provided with an insulating pad, and the outer diameter of the insulating pad is larger than that of the insulating sheath.

Preferably, the insulating pad can be integrally manufactured with the insulating sheath, and can also be separately bonded to the bottom of the key handle.

Preferably, the central hole of the key accommodating sleeve is larger than the outer diameter of the locking table in the key body, the upper outer wall of the key accommodating sleeve is larger than the lower outer wall of the key accommodating sleeve, the lower outer wall of the key accommodating sleeve can extend into the sliding sleeve, and the key accommodating sleeve is welded with the lower inner cavity of the key handle.

Preferably, the clamping ring groove and the clamping ring are both arranged in the outer wall of the lower part of the key accommodating sleeve; the lock bead is arranged in a lock bead hole in the inner wall of the lower part of the key accommodating sleeve, and the outside aperture of the lock bead hole is larger than the inside aperture.

Preferably, at least two lock balls are arranged in the key accommodating sleeve; the key handle body is internally provided with a holding groove which is an oval groove arranged on two sides of the key handle and is in accordance with the shape of the finger belly of a human body.

Preferably, the lower outer wall of the sliding sleeve is larger than the upper outer wall, and the upper wall of the sliding sleeve can slide outside the lower outer wall of the key accommodating sleeve; the inner wall of the sliding sleeve is provided with a clamping ring limiting step, and the outer diameter of the clamping ring 1 is larger than the inner cavity above the clamping ring limiting step in the sliding sleeve; the inner cavity below the limiting step of the snap ring in the sliding sleeve is smaller than the outer diameter formed by the released lock bead in the key accommodating sleeve.

Preferably, a first key head and a second key head arranged at two ends of the key body are respectively matched with two locks in a cabinet door of the electrical appliance control cabinet for use; the locking platform is arranged in the middle of the key body, the locking ball clamping hole in the locking platform is arranged in the locking ball sliding groove in the middle of the locking platform body, and the locking ball sliding groove is a concave ring groove.

Insulating key for electrical apparatus switch board includes key body and key handle, is equipped with in the key handle and wears the piece, wherein:

an insulating sheath is arranged outside the key handle, a key accommodating sleeve is arranged in the key handle, and a lock bead is arranged at the lower part of the key accommodating sleeve;

a first key head and a second key head are arranged at two ends of the key body, a locking platform is arranged on the outer wall of the key body, and a locking bead clamping hole is formed in the locking platform; the locking balls in the key receiving sleeve can snap into locking ball snap holes in the locking station.

Preferably, the lock ball is arranged in the lock ball hole at the lower part of the key accommodating sleeve through the lock ball spring and the lock ball fixing ring; the diameter of the lock bead hole at the inner side of the key accommodating sleeve is smaller than the outer diameter of the lock bead, and a lock bead fixing ring is fixed at the position of the lock bead hole at the lower part of the key accommodating sleeve through a fixing screw.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a half packet of formula insulation system has only wrapped the key handle position and has insulated the isolation through insulating barrier liner, insulating nature and safe in utilization when guaranteeing the key use. The utility model provides a be equipped with two key heads in the key body, can accomplish to wear a key and just can open two kinds of locks. The results are embodied in: 1. the utility model provides a key handle is equipped with insulating sheath, and when switch electrical apparatus control cabinet door, can guarantee operation safety not wearing insulating gloves.

2. The utility model discloses in be equipped with the isolation insulating pad, can keep apart staff's finger and electrical apparatus switch board's shell during the use, avoided the possibility of contact, further guarantee the security.

3. The utility model discloses key body both ends respectively establish a key that can open electrical control cabinet door, and the key at both ends can change the use mutually.

4. The two sides of the key handle are provided with the hand holding grooves, so that the key handle is stable to use and is not easy to slip.

5. The utility model discloses there are two kinds of implementation structures, all guaranteed convenient to use, operation safety.

The utility model discloses can be applied to the operation of opening, closing of on-spot electrical apparatus control cabinet door of oil field production conveniently, the outside cladding of key handle has insulating sheath, and the operator need not to wear insulating gloves again, when improving work efficiency, eliminating the potential safety hazard, does benefit to and carries and uses.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view showing a structure analysis according to a first embodiment of the present invention.

Fig. 2 is a schematic view of the external structure of fig. 1.

Fig. 3 is a schematic view of the structure of the key receiving sleeve and the sliding sleeve of fig. 1.

Fig. 4 is a schematic structural view of the key body in fig. 1.

Fig. 5 is a schematic view of an appearance structure of a second embodiment of the present invention.

In the figure: insulating sheath 1, key body 2, isolation insulating pad 3, hold groove 4, wear 5, sliding sleeve 6, spring 7, key head 8, key head two 9, locking platform 10, lock pearl 11, snap ring groove 12, snap ring 13, key hold cover 14, lock pearl solid fixed ring 15, set screw 16.

Detailed Description

The drawings are for reference and illustration purposes only and are not intended to limit the scope of the present disclosure. The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Embodiment mode one of the present invention

Referring to fig. 1 to 4, the insulated key for the electric appliance control cabinet comprises a key body 2 and a key handle, wherein a wearing piece 5 is arranged in the key handle, wherein: the outside of the key handle is provided with an insulating sheath 1, and a key accommodating sleeve 14 is arranged in the key handle; the lower part of the key accommodating sleeve 14 is provided with a lock bead 11 and a clamping ring 13, the clamping ring 13 is arranged in the clamping ring groove 12, and a clamping ring limiting step is arranged in the sliding sleeve 6;

a first key head 8 and a second key head 9 are arranged at two ends of the key body 2, a locking table 10 is arranged on the outer wall of the key body 2, and a locking bead clamping hole is formed in the locking table 10; a spring 7 is arranged between the sliding sleeve 6 and the key accommodating sleeve 14, and a snap ring 13 at the lower part of the key accommodating sleeve 14 is arranged below a snap ring limiting step in the sliding sleeve 6; the lock ball 11 in the key receiving sleeve 14 can be snapped into the lock ball snap hole of the locking table 10 in the key body 2.

The utility model discloses set up insulating sheath 1 in the key handle outside, made things convenient for the use, the user need not to wear heavy insulating gloves again and opens or close electrical apparatus switch board cabinet door.

Meanwhile, in order to be more convenient to use, the two ends of the key body 2 are respectively provided with a first key head 8 and a second key head 9, and two locks can be unlocked by one key through the matching of the lock balls 11 in the key accommodating sleeve 14 and the lock ball clamping holes of the locking platform 10 in the key body 2.

When the key is used, as long as the sliding sleeve 6 is pressed to move upwards, the lock bead 11 in the key accommodating sleeve 14 can move back to the lower part of the clamping ring limiting step of the sliding sleeve 6, the lock bead 11 is released, and the key body 2 can be installed at the moment.

When the hand is released, the sliding sleeve 6 moves downwards under the action of the spring 7, the lock bead 11 returns to the key accommodating sleeve 14 from the large cavity below the clamping ring limiting step of the sliding sleeve 6, the key body 2 is rotated to enable the lock bead 11 to be clamped into the lock bead clamping hole of the locking table 10, and the first key head 8 or the second key head 9 in the key body 2 can be normally used for unlocking the lock in the electric appliance control cabinet door.

On the basis of the first embodiment, the present invention also provides the following embodiments

The outer diameter of the lower end of the key handle is larger than that of the upper portion of the key handle, the lower portion of the insulating sheath 1 is provided with an insulating pad 3, and the outer diameter of the insulating pad 3 is larger than that of the insulating sheath 1. More can ensure operating personnel's safety, prevent that the mistake from bumping the electrical apparatus switch board shell, the effectual contact of keeping apart operating personnel hand and electrical apparatus switch board shell.

The isolation insulating pad 3 can be manufactured integrally with the insulating sheath 1 and can also be bonded to the bottom of the key handle separately.

The central hole of the key containing sleeve 14 is larger than the outer diameter of the locking platform 10 in the key body 2, the upper outer wall of the key containing sleeve 14 is larger than the lower outer wall, the lower outer wall of the key containing sleeve 14 can extend into the sliding sleeve 6, and the key containing sleeve 14 is welded with the lower inner cavity of the key handle.

The snap ring groove 12 and the snap ring 13 are both arranged in the outer wall of the lower part of the key accommodating sleeve 14; the lock ball 11 is installed in a lock ball hole on the inner wall of the lower part of the key accommodating sleeve 14, and the outside aperture of the lock ball hole is larger than the inside aperture. The connection and the release of the lock bead 11 and the locking platform 10 are realized by pressing the sliding sleeve 6, and when the sliding sleeve 6 is pressed, the large diameter of the lock bead hole at the outer side of the key accommodating sleeve 14 can enable the lock bead 11 to be released, installed and connected with the locking platform 10; after the sliding sleeve 6 is loosened, the lock bead 11 is pushed into the lock bead hole of the key accommodating sleeve 14, slides out of the small diameter of the lock bead hole, and is clamped in the lock bead clamping hole of the locking table 10, so that connection and fixation with the locking table 10 are realized.

At least two lock balls 11 are arranged in the key accommodating sleeve 14; the key handle is characterized in that a holding groove 4 is formed in the key handle body, the holding groove 4 is an oval groove formed in two sides of the key handle and is matched with the finger belly of a human body, and the key handle is convenient to hold.

The lower outer wall of the sliding sleeve 6 is larger than the upper outer wall, and the upper wall of the sliding sleeve 6 can slide outside the lower outer wall of the key accommodating sleeve 14; the inner wall of the sliding sleeve 6 is provided with a clamping ring limiting step, and the outer diameter of the clamping ring 13 is larger than the inner cavity above the clamping ring limiting step in the sliding sleeve 6; the inner cavity below the collar-limiting step in the sliding sleeve 6 is smaller than the outer diameter of the released locking bead 11 formed in the key-receiving sleeve 14. I.e. the lock ball 11 cannot be completely released from the lock ball bore of the key-receiving sleeve 14.

A first key head 8 and a second key head 9 arranged at two ends of the key body 2 are respectively matched with two locks in a cabinet door of the electrical appliance control cabinet for use; the locking table 10 is arranged in the middle of the key body 2, the locking ball clamping hole in the locking table 10 is arranged in a locking ball sliding groove in the middle of the locking table 10 body, and the locking ball sliding groove is a concave ring groove. The key body 2 is convenient to connect, and the connection between the lock bead 11 and the locking platform 10 is smooth.

Before the key is used, a required key head is selected according to the type of a keyhole of an electric appliance control cabinet, and the key body 2 is installed. Fingers are held on the hand holding groove 4 in the key handle, the first key head 8 or the second key head 9 is inserted into the keyhole, and the door of the electrical appliance control cabinet is opened or closed. The isolation insulating pad 3 effectively isolates the contact between hands and the cabinet door or the shell of the electric appliance control cabinet, and the effect of safe use is achieved.

Second embodiment of the present invention

Referring to fig. 5, the insulating key for electrical control cabinet includes key body 2 and key handle, is equipped with wearing piece 5 in the key handle, wherein:

an insulating sheath 1 is arranged outside the key handle, a key accommodating sleeve 14 is arranged in the key handle, and a lock bead 11 is arranged at the lower part of the key accommodating sleeve 14;

a first key head 8 and a second key head 9 are arranged at two ends of the key body 2, a locking table 10 is arranged on the outer wall of the key body 2, and a locking ball clamping hole is formed in the locking table 10;

the locking balls 11 in the key receiving sleeve 14 can be snapped into locking ball snap holes in the locking table 10.

On the basis of the first embodiment, the present invention also has the following embodiments

The lock ball 11 is arranged in a lock ball hole at the lower part of the key accommodating sleeve 14 through a lock ball spring and a lock ball fixing ring 15; the diameter of the locking ball hole on the inner side of the key accommodating sleeve 14 is smaller than the outer diameter of the locking ball 11, and a locking ball fixing ring 15 is fixed on the locking ball hole part at the lower part of the key accommodating sleeve 14 through a fixing screw 16. Preventing the lock ball 11 from coming out of the lock ball hole of the key receiving sleeve 14.

Other structures of the key handle and the key body 2 in the embodiment are the same as those in the first embodiment, so that the structure is simpler and the use is convenient.

When the key is used, the key body 2 can be taken out and an applicable key head can be selected by pulling the key body 2 and pushing the lock bead 11 back into the lock bead hole by the lock bead spring through the locking platform 10. The lock ball 11 in the lock ball hole can be ejected and caught in the lock ball catching hole of the lock table 10 by simply pushing up the key body 2 from the key receiving sleeve 14.

The embodiments described above are merely exemplary embodiments, but the present invention is not limited to these embodiments, and those skilled in the art may make modifications without departing from the spirit and teaching of the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications can be made, and equivalents can be substituted for elements thereof. Any modification, equivalent replacement, improvement and the like made within the spirit and the concept of the present invention should be included in the protection scope of the present invention. The scope of protection is therefore not limited to the description above.

Claims (10)

1. Insulating key for electric appliance control cabinet, including key body and key handle, be equipped with in the key handle and wear piece, characterized by:

an insulating sheath is arranged outside the key handle, and a key accommodating sleeve is arranged in the key handle; the lower part of the key containing sleeve is provided with a lock bead and a clamping ring, the clamping ring is arranged in a clamping ring groove, and a clamping ring limiting step is arranged in the sliding sleeve; a first key head and a second key head are arranged at two ends of the key body, a locking platform is arranged on the outer wall of the key body, and a locking bead clamping hole is formed in the locking platform; a spring is arranged between the sliding sleeve and the key accommodating sleeve, and a clamping ring at the lower part of the key accommodating sleeve is arranged below a clamping ring limiting step in the sliding sleeve; the lock ball in the key accommodating sleeve can be clamped into the lock ball clamping hole of the locking table in the key body.

2. The insulated key for the electrical control cabinet as claimed in claim 1, wherein the outer diameter of the lower end of the key handle is larger than the outer diameter of the upper part of the key handle, the lower part of the insulated sheath is an insulated insulating pad, and the outer diameter of the insulated insulating pad is larger than that of the insulated sheath.

3. The insulated key for electric appliance control cabinets of claim 2, wherein the insulating pad can be integrally formed with the insulating sheath or separately bonded to the bottom of the key handle.

4. The insulated key of claim 2, wherein the central hole of the key receiving sleeve is larger than the outer diameter of the locking platform of the key body, the upper outer wall of the key receiving sleeve is larger than the lower outer wall, the lower outer wall of the key receiving sleeve can extend into the sliding sleeve, and the key receiving sleeve is welded with the lower inner cavity of the key handle.

5. The insulated key of claim 4, wherein the snap ring groove and the snap ring are both disposed in the lower outer wall of the key receiving sleeve; the lock bead is arranged in a lock bead hole in the inner wall of the lower part of the key accommodating sleeve, and the outside aperture of the lock bead hole is larger than the inside aperture.

6. The insulated key for the electric appliance control cabinet as claimed in claim 1 or 5, wherein at least two lock beads are arranged in the key accommodating sleeve; the key handle body is internally provided with a hand holding groove which is an oval groove arranged on two sides of the key handle and conforms to the finger belly shape of a human body.

7. The insulated key of claim 6, wherein the lower outer wall of the sliding sleeve is larger than the upper outer wall, and the upper wall of the sliding sleeve can slide outside the lower outer wall of the key receiving sleeve; the inner wall of the sliding sleeve is provided with a clamping ring limiting step, and the outer diameter of the clamping ring 1 is larger than the inner cavity above the clamping ring limiting step in the sliding sleeve; the inner cavity below the limiting step of the clamping ring in the sliding sleeve is smaller than the outer diameter of the released lock bead formed in the key accommodating sleeve.

8. The insulation key for the electric appliance control cabinet as claimed in claim 6, wherein a first key head and a second key head arranged at two ends of the key body are respectively matched with two locks in a cabinet door of the electric appliance control cabinet for use; the locking platform is arranged in the middle of the key body, the locking ball clamping hole in the locking platform is arranged in the locking ball sliding groove in the middle of the locking platform body, and the locking ball sliding groove is a concave ring groove.

9. Insulating key for electric appliance control cabinet, including key body and key handle, be equipped with in the key handle and wear piece, characterized by: an insulating sheath is arranged outside the key handle, a key accommodating sleeve is arranged in the key handle, and a lock bead is arranged at the lower part of the key accommodating sleeve; a first key head and a second key head are arranged at two ends of the key body, a locking platform is arranged on the outer wall of the key body, and a locking bead clamping hole is formed in the locking platform; the locking balls in the key receiving sleeve can snap into locking ball snap holes in the locking station.

10. The insulated key for the electrical control cabinet as claimed in claim 9, wherein the lock bead is installed in the lock bead hole at the lower part of the key receiving sleeve through the lock bead spring and the lock bead fixing ring; the diameter of the lock bead hole at the inner side of the key accommodating sleeve is smaller than the outer diameter of the lock bead, and a lock bead fixing ring is fixed at the position of the lock bead hole at the lower part of the key accommodating sleeve through a fixing screw.

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