Telescopic fixing device suitable for electric control cabinet door lock

Abstract

The utility model relates to the technical field of electric control cabinets, in particular to a telescopic fixing device suitable for an electric control cabinet door lock, which comprises a device body, the device body comprises a mounting plate and two supporting rods, any supporting rod is of a sheet structure, a first hole is formed in the supporting rod, and the first hole is a kidney-shaped hole; a second hole convenient for mounting and fixing a lock is formed in the mounting plate, and the second hole is a waist-shaped hole; the first hole is longer than the second hole; after the surface of one side of one supporting rod is attached to the other supporting rod, when the two supporting rods slide relatively, the first holes in the two supporting rods are overlapped, the mounting plate is arranged on the surface, not attached to the other supporting rod, of one supporting rod and located at the overlapped position of the first holes of the two supporting rods, and the second hole is overlapped with the two first holes. The locking device can be conveniently adapted to different sizes of locks with the same or similar models, the fixing requirement can be met through stretching and retracting of the upper section and the lower section corresponding to different sizes of cabinet doors, and the adaptability of products is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric control cabinets, in particular to a telescopic fixing device suitable for an electric control cabinet door lock. Background Art

[0002] The doors of electrical cabinets generally use a top-bottom linkage lock, whose lock body (lock head) and lock tongue (lock rod) are mostly independent structures, which are vertically fixed to the cabinet door by the lock frame fixings. The lock tongue (lock rod) is generally two independent metal straight rods, installed in the lock frame and located on the back of the cabinet door, and the lock body is located on the front of the cabinet door. After being driven by the lock body, the two metal straight rods are linked and move in opposite directions (that is, when the upper straight rod extends upward, the lower straight rod extends downward). After the lock body connects to the lock tongue, it drives it up and down, so that the lock tongue lock extends into the lock hole on the top of the cabinet (the hole is generally set in the lower convex structure of the top horizontal bar of the frame or the top plate) to achieve the cabinet door locking. When installing the cabinet lock (including the lock body / lock head and lock tongue / lock rod), the lock frame fixing is installed and fixed on the back of the cabinet door, and the lock tongue is restricted between the lock frame fixing and the back of the cabinet door, so that it can only be extended and retracted up and down without falling; the cabinet door is provided with an opening for convenient connection between the lock body and the lock frame fixing. In this type of traditional structure, the lock frame fixing piece is generally designed and manufactured in conjunction with the cabinet door. In addition to the bolt holes for fixing, the cabinet door also has positioning piles welded on the back to facilitate positioning the lock frame, and the lock frame fixing piece is provided with matching positioning holes.

[0003] Traditional electrical cabinet locks have poor adaptability due to their customized structure, which means that the lock frame fixings of a specific cabinet are generally not applicable to other cabinets, which increases the development and manufacturing costs. In addition, during the cabinet manufacturing process, when temporary structural modifications occur and the size of the side panel near the lock setting position changes, it is easy to cause the installation structure of the lock frame fixings to be adjusted accordingly, which will cause rework, reduce productivity, and even produce defective products and cause losses. Utility Model Content

[0004] The purpose of the utility model is to provide a telescopic fixing device suitable for an electric control cabinet door lock to solve the above technical problems.

[0005] The technical problem solved by the present invention can be achieved by adopting the following technical solutions:

[0006] A telescopic fixing device suitable for an electric control cabinet door lock comprises a device body, which has a lock installation hole for facilitating installation of a lock and a lock rod fixing portion for facilitating fixing of a lock rod, wherein:

[0007] The device body comprises a mounting plate and two support rods, each of which is a sheet-like structure and is provided with a first hole, wherein the first hole is a waist-shaped hole;

[0008] The mounting plate is provided with a second hole for easy installation of the fixing lock, and the second hole is a waist-shaped hole;

[0009] The length of the first hole is greater than that of the second hole;

[0010] After one side surface of one of the support rods is attached to the other support rod, when the two rods slide relative to each other, the first holes on the two rods overlap.

[0011] The mounting plate is arranged on a surface of one of the support rods that does not fit the other support rod, and is located at the overlapping position of the first holes of the two support rods, and the second hole overlaps the two first holes.

[0012] The utility model realizes a fixing structure when the lock is installed on the cabinet door through two supporting rods and a mounting plate of a simple structure, and is particularly suitable for application scenarios of cabinets with similar specifications and sizes.

[0013] Preferably, two second holes are arranged on the mounting plate at intervals. The adaptability of the lock is enhanced by setting two second holes. Under this structural setting, one of the two second holes is only used to fasten the lock / lock head, and the other hole is used to fix the lock head while facilitating the connection of the driving connecting rod of the lock tongue / lock rod to extend into the back of the cabinet door.

[0014] Preferably, any of the support rods is provided with a first baffle, which limits the lock tongue / lock rod to prevent it from shaking and generating;

[0015] The first blocking piece is perpendicular to the rod body surface of the supporting rod and is connected to the side of the supporting rod.

[0016] Preferably, the first baffle is arranged along the length of the shaft of any of the support rods, that is, the length of the first baffle is equal to the length of the shaft of the support rod.

[0017] Preferably, the device body includes a second baffle, which limits the lock tongue / lock rod from falling and allows it to move only in the vertical direction; at least one second baffle is provided on any of the support rods.

[0018] Preferably, the device body includes a pad, through which the entire rod body of the device body (i.e. the rod body as a whole assembled by the upper support rod and the lower support rod) is fixed to the column of the electrical cabinet; at least one pad is provided on each of the support rods.

[0019] Preferably, the cushion block comprises a support rod fixing portion and a column fixing portion, and the column fixing portion is provided with a fastener hole, so that the column fixing portion can be installed and fixed on the cabinet column by a fastener.

[0020] The column fixing portion is connected to one side of the support rod fixing portion to prevent it from blocking the telescopic travel space of the lock tongue / lock rod.

[0021] Preferably, any of the support rods is provided with a first pad mounting hole for facilitating fixing of the pad, the first pad mounting hole is configured as a waist-shaped hole, and the pad is provided with a fastener hole.

[0022] Preferably, the mounting plate is provided with a second pad mounting hole, and the second pad mounting hole is a waist-shaped hole, so that when the pad is installed on the upper support rod or the lower support rod, the mounting plate is fixed on the inner surface of the upper support rod and the lower support rod (here it is a sheet-like rod body surface, which is different from the ear plate surface), thereby strengthening the connection strength between the structures.

[0023] Preferably, the hole length of the second cushion block mounting hole is greater than the hole length of the first cushion block mounting hole.

[0024] Beneficial effect: Due to the adoption of the above technical solution, the utility model can be conveniently adapted to locks of the same or similar models of different sizes. Corresponding to the different sizes of cabinet doors, the fixing requirements can also be met by telescoping the upper and lower sections, thereby improving the adaptability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A structural schematic diagram of the utility model;

[0026] Figure 2 A structural schematic diagram of the mounting plate of the utility model;

[0027] Figure 3 A structural schematic diagram of the upper support rod of the utility model;

[0028] Figure 4 A structural schematic diagram of the lower support rod of the utility model;

[0029] Figure 5 A schematic diagram of the installation position of the cushion block and the second baffle of the utility model;

[0030] Figure 6 It is a cross-sectional view of an assembly structure of the device body of the utility model on a cabinet;

[0031] Figure 7 This is an assembly diagram of the device body and the lock of the utility model;

[0032] Figure 8 It is an assembly diagram of the device body and the cabinet of the utility model;

[0033] Fig. 9 for Figure 8 A schematic diagram of the structure with the side door panels and cabinet doors hidden. DETAILED DESCRIPTION

[0034] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with specific diagrams. It should be noted that the terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the utility model are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments described here can be implemented in an order other than that illustrated or described here. In addition, the term "including" or "having" and any variation thereof are intended to cover non-exclusive inclusions, for example, a product or device containing a series of components or units is not necessarily limited to those components or units clearly listed, but may include other components or components that are not clearly listed or inherent to these products or devices.

[0035] Reference Figure 1 , a telescopic fixing device suitable for electric control cabinet door locks, including a device body, through which the lock is installed on the cabinet door of the electric control cabinet. The device body has a lock installation hole and a lock rod fixing part. The top beam and the bottom beam of the cabinet body on the cabinet door side are provided with lock holes for the lock rod to be inserted to realize the locking function (the two lock holes are generally located at one end of the crossbeam, and when viewed from the front, they are located on the same vertical line as the lock head in the vertical direction. In some cases, after a bend is set at the top of the lock rod, the end of the lock rod is offset to a certain position, and the position of the lock hole is also offset to a certain position accordingly).

[0036] like Figure 7 As shown, the lock body 901 of the lock is installed on the device body 1.

[0037] like Figure 8 As shown, the lock body 901 is installed on the front side of the cabinet door 801 of the cabinet, located on the left side.

[0038] like Figure 1 , Figure 2 As shown, the device body includes a mounting plate 200 and two support rods, the two support rods including an upper support rod 301 and a lower support rod 302. Figure 3 , Figure 4 As shown, any support rod is a sheet-like structure, and is provided with a first hole 4001, and the first hole 4001 is a waist-shaped hole;

[0039] The mounting plate 200 is provided with a second hole 4002 for convenient installation of the fixing lock, and the second hole 4001 is a waist-shaped hole;

[0040] The length of the first hole 4001 is greater than that of the second hole 4002;

[0041] After one side surface of one rod is attached to the other rod, when the two rods slide relative to each other, the first holes on the two rods overlap.

[0042] The mounting plate 200 is disposed on a surface of one of the poles that does not fit the other pole, and is located at the overlapping position of the first holes 4001 of the two poles, and the second hole 4002 overlaps the two first holes 4001 .

[0043] In this example, the installation position of the lock / lock head is set opposite to the installation position of the mounting plate, such as Figure 1 In the illustrated structure, the lock is mounted on the lower surface of the lower support rod, and the mounting plate is mounted on the upper surface of the upper support rod.

[0044] based on Figure 1 Showing the structure, such as Figure 3 The structure of the upper support rod 301 located at the upper part of the two support rods is shown. Figure 4 The structure of the lower support rod 302 located at the lower part of the two support rods is shown.

[0045] It should be noted that if Figure 1 , Figure 3 , Figure 4 As shown, the two support rods slide relative to each other, which means that the lower surface of the upper support rod 301 moves in contact with the upper surface of the lower support rod 302, and a relative sliding trend is formed between the two during sliding. The lock is installed on the lower surface of the lower support rod 302, and the mounting plate 200 is installed on the upper surface of the upper support rod 301 with its back to the lock;

[0046] In addition, when the two support rods slide relative to each other, the first holes 4001 on the two support rods overlap, which means that the first hole 4001 on the upper support rod 301 overlaps the first hole 4001' on the lower support rod 302, and the two can overlap completely or partially. The overlapping position of the first holes on the two support rods can be matched with the position of the second hole 4002 on the mounting plate 200 according to actual needs to meet the current lock / lock head installation and adapt to the telescopic length of the upper and lower lock tongues / lock rods.

[0047] When the utility model is implemented, the second hole is generally set to correspond to the lock specifications of the cabinet body on which the device body is installed. In order to enhance its adaptability, it can be set according to the following structure: In some embodiments, such as Figure 2 As shown, two second holes 4002 are spaced apart on the mounting plate 200 .

[0048] The utility model enhances the adaptability of the lock by setting two second holes. When the distance between the two holes is set, it can cover the installation hole of the lock head of the largest specification size that can be used in the cabinet body used by the device body of the utility model. Under this structural setting, one of the two second holes is only used to fasten the lock / lock head, and the other hole is used to fix the lock head and facilitate the driving connecting rod connected to the lock tongue / lock rod to extend to the back of the cabinet door. When only a single second hole is set, the hole is used to fix the lock and is also an opening for the driving connecting rod to extend.

[0049] In some of the embodiments, a third hole is provided between the two second holes for facilitating the installation of a safety lock tongue (not shown in the figure for this example). The safety lock tongue is a lock tongue that is turned 90 degrees and locked to the side of the cabinet door. The third hole is an opening for facilitating the passage of the lock core of the safety lock tongue.

[0050] In order to prevent the locking tongue / locking rod from shaking during extension and retraction and affecting the positioning (shaking will cause the locking rod to be unable to be normally inserted into the lock holes on the top and bottom beams), the utility model can be arranged in the following structure: In some embodiments, such as Figure 1 , Figure 3 , Figure 4 As shown,

[0051] A first baffle 601 is provided on any support rod, and the first baffle 601 is used to limit the lock tongue / lock rod to prevent it from shaking and generating;

[0052] The first blocking piece 601 is perpendicular to the shaft surface of the corresponding support rod and is connected to the side of the support rod.

[0053] In some preferred embodiments, the first baffle 601 can be arranged along the length of the shaft of any support rod, that is, the length of the first baffle 601 is equal to the length of the shaft of the support rod.

[0054] The purpose of setting up this example is to enhance the structural strength of the support rod by means of the first baffle, so that its sheet structure is not easy to bend and deform; in addition, it is also conducive to structural forming. During manufacturing, the support rod body and the first baffle on one side can be formed by bending a single plate on one side. The first hole can be opened before bending, or after bending while ensuring the bending strength.

[0055] It should be noted that the utility model realizes the function of the locking rod fixing part of the device body through the functional combination of the first blocking piece and the second blocking piece (the structural setting of the second blocking piece is described below).

[0056] In order to better achieve the limiting effect on the locking rod, so that it can only be extended and retracted in the vertical direction and eliminate its radial shaking, the utility model can be arranged according to the following structure: In some embodiments, such as Figure 1 , Figure 5As shown, the device body includes a second baffle 602, which limits the lock tongue / lock rod from falling and can only move in the vertical direction; at least one second baffle 602 is provided on any support rod.

[0057] In some preferred embodiments, two second baffles are respectively provided on the upper support rod and the lower support rod, and the second baffles on either of them are spaced apart and arranged on the rod body near the two ends of the support rod and are located on the same side of the first hole thereon, so as to form a better support and restriction effect on the lock tongue / lock rod. Figure 3 In the structure shown, the upper support rod 301 is provided with two second blocking pieces 602, both of which are located on one side of the first hole 4001. Figure 4 In the structure shown, the lower support rod 302 is also provided with a second baffle as on the upper support rod 301. By providing the second baffle on each support rod, a restriction effect on the lock tongue is formed, and the second baffle changes position as the distance between the two support rods (i.e., the length of the device body) is adjusted, so as to correspond to lock tongues / lock rods of different lengths.

[0058] It should be noted that the present invention realizes the function of the locking rod fixing portion of the device body through the functional combination of the first blocking piece (mentioned above) and the second blocking piece.

[0059] In order to improve the stability of the device body after being installed on the cabinet door, and to prevent the upper support rod and the lower support rod from shaking and affecting the telescopic positioning of the lock tongue / lock rod, the utility model can be arranged according to the following structure: In some embodiments, such as Figure 5 As shown, the device body includes a cushion block 700, through which the entire rod body of the device body (i.e., the entire rod body formed by assembling the upper support rod and the lower support rod) is fixed to the column of the electrical cabinet;

[0060] At least one cushion block 700 is disposed on each support rod.

[0061] After the cushion block is set in the utility model, compared with the traditional structure of welding the positioning pile on the back of the cabinet door, the welding operation can be avoided and the flexibility is better. The structure of welding the positioning pile and setting the matching positioning hole has the defect of customization, that is, the positioning pile and the positioning hole must correspond one to one, resulting in the loss of flexibility when the structure is adapted. The utility model uses the cushion block to use the upright column of the cabinet body as a matching structure when fixing, so that any support rod is restricted between the upright column and the cabinet door, and is supported by the opposite sides of the two, thereby achieving the fixation of the lock fixing frame structure and the stability of the lock when in use.

[0062] like Figure 5 The block shown is installed on one of its rods. Figure 6Shown is a partial cross-sectional structural schematic diagram of the pad installation site, which shows the connection structure between the two pads 700 located above and below the lock and one of the columns 802 located on the back side of the cabinet door 801 (the fasteners are hidden in the illustrated structure to expose the fastening holes on the pads), and the lock body 901 of the lock is located on the cabinet door 801.

[0063] like Fig. 9 As shown, the lock body 901 is fixed on the column 802 through a cushion block.

[0064] In order to facilitate the installation and fixation of the cushion block on the upper support rod or the lower support rod, the utility model can be arranged according to the following structure: Figure 5 As shown, in some embodiments, the pad includes a support rod fixing portion 702 and a column fixing portion 701, and the column fixing portion 701 is provided with a fastener hole 7001, so that the column fixing portion 701 can be installed and fixed on the cabinet column by fasteners.

[0065] The column fixing portion 701 is connected to one side of the support rod fixing portion 702 to prevent it from blocking the telescopic travel space of the lock tongue / lock rod.

[0066] It should be noted that the installation and fixation of the pads on the support rods can be achieved by fasteners or welding.

[0067] In addition, the column fixing part and the support rod fixing part can be integrally formed by a mold, or can be independently manufactured and then welded together or connected together by fasteners.

[0068] The utility model is to facilitate the adjustment of the installation position of the cushion block on each support rod so that after being fixed to the support rod, it can correspond to the fastening holes on different cabinet columns. The structure can be arranged as follows: In some embodiments, such as Figure 5 As shown, any support rod is provided with a first pad mounting hole 5001 for fixing the pad, the first pad mounting hole 5001 is set as a waist-shaped hole, and the pad is provided with a fastener hole.

[0069] The utility model arranges a first pad installation hole with a waist-shaped hole structure, and can appropriately adjust the installation position of the pad on the support rod so that its column fixing portion can adapt to the spacing of fastening holes on cabinet columns of different sizes and specifications (because the fastening holes on the columns are generally spaced a small distance apart and closely distributed from top to bottom, so only a smaller-sized waist-shaped hole adjustment is required to meet the degree to which the position of the pad is suitable for installation with the column).

[0070] In order to establish a better connection between structural parts and enhance the structural stability, the utility model can be arranged as follows: In some embodiments, such as Figure 2As shown, a second pad mounting hole 5002 is provided on the mounting plate, and the second pad mounting hole 5002 is a waist-shaped hole, so that when the pad is installed on the upper support rod or the lower support rod, the mounting plate is fixed on the inner surface of the upper support rod and the lower support rod (here it is different from the ear plate surface and is a sheet-like rod body surface), thereby strengthening the connection strength between the structures. Figure 2 In the structure shown, a second pad mounting hole 5002 is provided on both sides of the two second holes 4002 .

[0071] In this example, a first cushion block mounting hole 5001 is provided at the end of each of the upper support rod 301 and the lower support rod 302 so as to correspond to the two second cushion block mounting holes 5002 on the mounting plate 200 .

[0072] In some of the embodiments, in order to adapt to the installation hole distance, the utility model can be arranged in the following structure: the hole length of the second cushion block installation hole 5002 is greater than the hole length of the first cushion block installation hole 5001.

[0073] The utility model realizes the fixing structure of the lock when it is installed on the cabinet door through two support rods and a mounting plate with a simple structure, and realizes the effect of telescopic adjustment of the length of the device body after arranging two support rods to construct a relatively slidable structure. In the case of corresponding to different lock tongues / lock rod lengths, by adapting to the mounting plate of lock mounting holes with different hole spacings and hole lengths, it can also be adapted to locks / lock heads of various specifications, thereby improving the adaptability of the product, and is particularly suitable for application scenarios of cabinets with similar specifications and sizes. Structurally, the upper support rod and the lower support rod can make their lengths adjustable, and in some occasions, they can correspond to different cabinet door heights. At the same time, since the adjustment gap space of the lock hole is wide, lock heads of different lengths can also be set accordingly, and the adaptability is high.

[0074] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A telescopic fixing device for an electric control cabinet door lock, comprising a device body, characterized in that: The device body comprises a mounting plate and two support rods, each of which is a sheet-like structure and is provided with a first hole, wherein the first hole is a waist-shaped hole; The mounting plate is provided with a second hole for easy installation of the fixing lock, and the second hole is a waist-shaped hole; The length of the first hole is greater than that of the second hole; After one side surface of one of the support rods is attached to the other support rod, when the two rods slide relative to each other, the first holes on the two rods overlap. The mounting plate is arranged on a surface of one of the support rods that does not fit the other support rod, and is located at the overlapping position of the first holes of the two support rods, and the second hole overlaps the two first holes.

2. The telescopic fixing device for electric control cabinet door lock according to claim 1, characterized in that: Two second holes are arranged on the mounting plate at intervals.

3. The telescopic fixing device for electric control cabinet door lock according to claim 1, characterized in that: A first baffle is provided on any of the support rods, and the lock tongue / lock rod is restricted by the first baffle to prevent it from shaking and generating; The first blocking piece is perpendicular to the rod body surface of the supporting rod and is connected to the side of the supporting rod.

4. The telescopic fixing device for electric control cabinet door lock according to claim 3, characterized in that: The first blocking piece is arranged along the length of the shaft of any of the supporting rods.

5. The telescopic fixing device for electric control cabinet door lock according to claim 1, characterized in that: The device body comprises a second baffle, and at least one second baffle is disposed on any of the support rods.

6. The telescopic fixing device for an electric control cabinet door lock according to any one of claims 1 to 5, characterized in that: The device body includes a cushion block; At least one cushion block is disposed on any of the support rods.

7. The telescopic fixing device for electric control cabinet door lock according to claim 6, characterized in that: The cushion block comprises a support rod fixing portion and a column fixing portion, and the column fixing portion is provided with a fastener hole. The column fixing portion is connected to one side of the support rod fixing portion.

8. The telescopic fixing device for electric control cabinet door lock according to claim 7, characterized in that: Any of the support rods is provided with a first pad block mounting hole for facilitating fixing of the pad block, the first pad block mounting hole is configured as a waist-shaped hole, and the pad block is provided with a fastener hole.

9. The telescopic fixing device for electric control cabinet door lock according to claim 8, characterized in that: The mounting plate is provided with a second cushion block mounting hole, and the second cushion block mounting hole is a waist-shaped hole.

10. The telescopic fixing device for electric control cabinet door lock according to claim 9, characterized in that: The hole length of the second cushion block mounting hole is greater than the hole length of the first cushion block mounting hole.

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