Developing unit liquid medicine cavity side cover sealing device

Abstract

The utility model relates to a developing unit liquid medicine cavity side cover sealing device which comprises an annular fixing base used for being connected with a liquid medicine cavity body, longitudinal bolt holes used for fixing bolts to penetrate backwards are formed in the front end face of the fixing base at intervals, and the front side of the fixing base is covered with a cover plate and provided with a cover plate positioning structure. First clamping grooves are formed in the peripheral side face of the fixed base at intervals, second clamping grooves are correspondingly formed in the periphery of the cover plate, and connecting bolts which penetrate through the second clamping grooves and lock the cover plate through nuts are embedded in the first clamping grooves. The device is helpful for avoiding liquid leakage caused by screw loosening or cracking of the cavity, effectively prevents the occurrence rate of leakage, and is simple and convenient to install.

Description

TECHNICAL FIELD

[0001] The utility model relates to a developing unit liquid chamber side cover sealing device. BACKGROUND

[0002] The developing machine is a printing processing equipment which can complete the processes of developing, washing, gluing and drying by semi-automatic or automatic procedure. During the use of the developing machine, the liquid chamber needs to be cleaned regularly by removing the side cover. However, the side cover is prone to sliding after being removed and assembled for many times, which may cause poor sealing and liquid leakage. In addition, the original design of the side cover is difficult to install, which requires two persons to cooperate to install. Furthermore, the screw is inclined to lock, which may cause the chamber to be cracked and thus cause liquid leakage. The replacement of the chamber is costly and difficult. SUMMARY

[0003] The utility model discloses a developing unit liquid chamber side cover sealing device which can prevent the chamber from sliding or cracking to cause liquid leakage and is easy to install.

[0004] The utility model discloses a developing unit liquid chamber side cover sealing device, including the annular fixed base that is used for connecting with the liquid chamber cavity, the longitudinal bolt hole that is used for setting fixed bolt to the rear is arranged at the front end face of fixed base at intervals, the front side of fixed base is covered with the cover plate and is provided with cover plate positioning structure, the first clamping groove is arranged at the circumference of fixed base at intervals, the circumference of cover plate is provided with the second clamping groove, the first clamping groove is inlayed with the connecting bolt that passes through the second clamping groove and realizes the locking of cover plate through the nut.

[0005] Further, the cover plate positioning structure includes a pair of positioning pins fixed longitudinally on the upper part of the front end face of the fixed base, and the upper part of the cover plate is provided with a positioning hole correspondingly.

[0006] Further, a sealing groove is arranged on the front end face of the fixed base, and a sealing ring is arranged in the sealing groove and attached to the cover plate.

[0007] Further, the material of the sealing ring is EPOM.

[0008] Further, the longitudinal bolt hole is a counterbore, and the fixed bolt is an internal hexagonal bolt and passes through the counterbore from front to back.

[0009] Further, the first clamping groove is a counterbore clamping groove, and the connecting bolt is an external hexagonal bolt, the end of the external hexagonal bolt is embedded in the counterbore clamping groove, and the screw rod part passes through the second clamping groove from front to back.

[0010] Further, the nut is a cover nut, and a gasket is arranged between the cover plate and the cover nut.

[0011] Further, the fixed base is made of plastic.

[0012] Further, the cover plate is made of plastic.

[0013] Further, the cover plate is made of transparent plastic.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] 1. The device is improved in structure of the side cover sealing device of the liquid cavity, a side cover fixed base is installed to the cavity, and is locked to the cavity by M10*25mm internal hexagonal bolt and gasket, so that sliding of the cavity is avoided due to external force.

[0016] 2. The device is improved by adding two fixed latches on the fixed block, so that the sealing cover can be directly inserted into the latch during installation, installation is simple, and the problem of labor distribution can be effectively reduced.

[0017] 3. The sealing cover of the device is installed to the fixed base by M10*70 external hexagonal GB5783 bolt and protective nut cover, the external hexagonal bolt is embedded in the fixed block and is fixed by the protective nut cover, so that the fixed base does not need to be disassembled during cleaning and disassembly, liquid leakage caused by sliding or cracking of the cavity is avoided, and the leakage rate is effectively prevented. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model;

[0019] Figure 2 is a left view schematic view of the utility model; Figure 1

[0020] Figure 3 is an A-A sectional view of the utility model; Figure 1

[0021] Figure 4 is a B-B sectional view of the utility model; Figure 1

[0022] Figure 5 is a structural schematic view of the fixed base of the utility model;

[0023] In the figure: 1-cavity, 10-fixed base, 11-fixed bolt, 12-longitudinal bolt hole, 13-first clamping groove, 14-positioning pin, 15-sealing groove, 16-sealing ring, 20-cover plate, 21-second clamping groove, 22-nut, 23-connecting bolt, 24-positioning hole, 25-gasket. DETAILED DESCRIPTION

[0024] ​​​In order to make the above features and advantages of the utility model more obvious, the following examples are given, and the details are described as follows with reference to the drawings, but the utility model is not limited thereto.

[0025] Reference Figures 1 to 5

[0026] A developing unit liquid cavity side cover sealing device, including annular fixed base 10 for connecting with liquid cavity cavity 1, the front end surface of the fixed base is provided with longitudinal bolt hole 12 for setting back fixed bolt 11, thereby realizing the connection of fixed base and cavity through fixed bolt. Subsequent maintenance and cleaning do not need to disassemble the fixed base, avoid the cavity screw hole from slipping or cracking, leading to leakage, unable to repair. The front side of the fixed base is covered with a cover plate 20 and provided with a cover plate positioning structure, which facilitates the installation and positioning of the cover plate. The circumferential surface of the fixed base is provided with a first clamping groove 13, and the circumferential part of the cover plate is provided with a second clamping groove 21, and a connecting bolt 23 is embedded in the first clamping groove and passes through the second clamping groove and is locked by a nut 22, thereby realizing the connection and fixation of the cover plate and the fixed base, and facilitating the disassembly of the cover plate.

[0027] In this embodiment, the cover plate positioning structure includes a pair of positioning pins 14 fixed longitudinally on the upper part of the front end surface of the fixed base, and the upper part of the cover plate is provided with a positioning hole 24 corresponding to the positioning pin, so that during installation, the positioning pin cooperates with the positioning hole to realize the positioning of the cover plate. When the cover plate is installed, it is not necessary to work simultaneously by two people (one person aligns and supports, and the other person locks the screw), thereby reducing the allocation of manpower.

[0028] In this embodiment, in order to improve the sealing between the fixed base and the cover plate, a sealing groove 15 is provided on the front end surface of the fixed base, and a sealing ring 16 is arranged in the sealing groove and adheres to the cover plate. Specifically, the material of the sealing ring can be EPOM.

[0029] In this embodiment, in order to better install and fix the connection, and facilitate the adhesion of the cover plate and the fixed base, the longitudinal bolt hole is a counterbore, and the fixed bolt is an internal hexagonal bolt and passes through the counterbore from front to back. The internal hexagonal bolt can be M10*25mm specification and is locked to the cavity by cooperating with a gasket.

[0030] In this embodiment, in order to clamp the end of the connecting bolt, the first clamping groove is a counterbore clamping groove, and the connecting bolt is an external hexagonal bolt, the end of which is embedded in the counterbore clamping groove and the screw rod part passes through the second clamping groove forward to connect with the nut, thereby achieving the installation of the cover plate on the fixed base. The external hexagonal bolt can be M10*70 external hexagonal GB5783 bolt.

[0031] In this embodiment, in order to improve safety, the nut is a cover nut, and the connecting bolt is provided with a gasket 25 between the cover plate and the cover nut.

[0032] In this embodiment, in order to facilitate the preparation of the fixing base, the fixing base is made of plastic, and the fixing base is a rectangular ring structure and is provided with a circular chamfer at each corner.

[0033] In this embodiment, the cover plate is made of plastic. Specifically, the cover plate can be made of transparent plastic to observe the situation in the cavity.

[0034] In another embodiment, the front end surface of the cavity is provided with a sealing ring structure matched with the rear end surface of the fixing base.

[0035] In the above-mentioned utility model, the words "first", "second", etc. are used to limit the parts. Those skilled in the art should know that the use of "first" and "second" is only for the convenience of distinguishing the parts. Unless otherwise stated, the above words have no special meaning.

[0036] If the utility model discloses or involves parts or structural members that are fixedly connected to each other, unless otherwise stated, the fixed connection can be understood as: detachable fixed connection (for example, connected by bolts or screws), or as: non-detachable fixed connection (for example, riveting, welding), of course, the mutually fixed connection can also be replaced by an integral structure (for example, manufactured by integral molding process) (except for obvious cases that cannot be formed by integral molding process).

[0037] In addition, the terms used to represent the positional relationship or shape in any of the above-mentioned utility model disclosed technical solutions include states or shapes similar, similar or close to them, unless otherwise stated.

[0038] Any part provided by the utility model can be assembled from multiple individual components, or can be a single component manufactured by integral molding process.

[0039] The above is only a preferred embodiment of the utility model, and any changes and modifications made within the scope of the utility model application patent shall be included in the scope of the utility model.

Claims

1. A sealing device for a side cover of a liquid medicine chamber of a developing unit, comprising an annular fixed base for connecting to a liquid medicine chamber body, characterized in that: The front end surface of the fixed base is provided with longitudinal bolt holes for inserting fixing bolts backward, the front side of the fixed base is covered with a cover plate and a cover plate positioning structure is provided, the peripheral side surface of the fixed base is provided with first card grooves at intervals, the peripheral part of the cover plate is provided with second card grooves correspondingly, and the first card groove is embedded with a connecting bolt that passes through the second card groove and is locked by a nut.

2. The sealing device for the side cover of the liquid chamber of the developing unit according to claim 1, characterized in that: The cover plate positioning structure includes a pair of positioning pins longitudinally fixed to the upper front end surface of the fixed base, and the upper portion of the cover plate is correspondingly provided with positioning holes.

3. A developer unit liquid chamber side cover sealing device according to claim 1 or 2, characterized in that: A sealing groove is provided on the front end surface of the fixed base, and a sealing ring is provided in the sealing groove and is in contact with the cover plate.

4. The sealing device for the side cover of the liquid chamber of the developing unit according to claim 3, characterized in that: The sealing ring is made of EPOM.

5. The sealing device for the side cover of the liquid chamber of the developing unit according to claim 1 or 2, characterized in that: The longitudinal bolt hole is a countersunk hole, and the fixing bolt is a hexagon socket bolt and passes through the countersunk hole from front to rear.

6. A developer unit liquid chamber side cover sealing device according to claim 1 or 2, characterized in that: The first slot is a countersunk slot, the connecting bolt is an external hexagonal bolt, the end of the external hexagonal bolt is embedded in the countersunk slot and the screw portion passes forward through the second slot.

7. The sealing device for the side cover of the liquid chamber of the developing unit according to claim 6, characterized in that: The nut is a cap nut, and the connecting bolt is located between the cover plate and the cap nut and a gasket is provided.

8. The sealing device for the side cover of the liquid chamber of the developing unit according to claim 1, characterized in that: The fixing base is made of plastic.

9. The sealing device for the side cover of the liquid medicine chamber of the developing unit according to claim 1 or 8, characterized in that: The cover plate is made of plastic.

10. The sealing device for the side cover of the liquid chamber of the developing unit according to claim 9, characterized in that: The cover is made of transparent plastic.

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