Convenient and fast adjusting type negative pressure weighing cover for workbench

Abstract

The utility model discloses a workbench convenient adjustment type negative pressure weighing cover, which comprises an outer shell, a base, a workbench, a negative pressure cover, a negative pressure pipe, a corrugated telescopic pipe, a connecting plate, guide rods, a sleeve and a claw bolt, the bottom is fixedly arranged at the bottom of the outer shell, the four guide rods are distributed in a rectangular shape, and the two ends of the guide rods are fixedly arranged on the outer shell and the base respectively; the working table, the connecting plate and the sleeve are all installed on the guide rod in a sliding and sleeving mode, the upper end and the lower end of the guide rod are fixedly connected with the connecting plate and the working table respectively, and the negative pressure pipe and the negative pressure cover are fixedly installed on the outer shell and the connecting plate respectively. According to the negative pressure weighing cover, the height position of the workbench can be conveniently and rapidly adjusted and rapidly limited and fixed according to the height use requirements of different users, so that the negative pressure cover and the workbench are fixedly connected through the sleeve, the height position of the negative pressure cover and the workbench are synchronously adjusted, and the height position of the negative pressure cover and the height position of the workbench are fixed; and the best negative pressure adsorption effect can be always kept.

Description

TECHNICAL FIELD

[0001] The utility model belongs to clean equipment technical field, especially relate to a worktable convenient adjustment formula negative pressure weighing cover. BACKGROUND

[0002] The negative pressure weighing cover is a kind of open room for pharmacy, microbiological research and scientific experiment etc. place special, is used to carry out dust, reagent weighing, split, traditional weighing room uses ordinary room clean processing, as weighing room. Avoid that staff inhale dust forms harm to human health, make the keep clean in work area, different height staff is different in using negative pressure weighing cover to the height position requirement of its worktable, to improve the comfort degree of staff long time use negative pressure weighing cover and reduce fatigue, the worktable of negative pressure weighing cover needs height adjustment function. SUMMARY

[0003] The utility model wants to solve the technical problem to provide a kind of worktable and negative pressure cover synchronous convenient adjustment height's negative pressure weighing cover.

[0004] To solve the above technical problem, the present application is realized by the following technical scheme: a kind of worktable convenient adjustment formula negative pressure weighing cover, including shell body, base, worktable, negative pressure cover, negative pressure pipe, corrugated expansion pipe, connecting plate, guide rod, sleeve and sheep horn bolt, the base is fixedly installed at shell body bottom, four guide rods are distributed on it two ends are fixedly installed on shell body, base respectively, the worktable, connecting plate, sleeve are slidably connected and installed on guide rod, the upper and lower ends of the guide rod are fixedly connected with connecting plate, worktable respectively, the negative pressure pipe, negative pressure cover are fixedly installed on shell body, connecting plate, the upper and lower ends of the corrugated expansion pipe are fixedly connected with negative pressure pipe, negative pressure cover respectively, the both sides of shell body are provided with longitudinal long round hole, the sheep horn bolt is screwed and installed on worktable by passing through longitudinal long round hole, and the worktable can be fixed by the contact of the tightening sheep horn bolt with the outer wall of shell body.

[0005] Preferably, the both sides of the shell body are fixedly provided with anti-skid rubber pads.

[0006] Preferably, a limiting sleeve and a spring are fixedly connected and installed on the guide rod, the limiting sleeve is locked and fixed on the guide rod by compression bolt, and the upper and lower ends of the spring act on the worktable and the limiting sleeve respectively.

[0007] Preferably, an inner tube is fixedly and sealingly installed on the top of the negative pressure cover, and the inner tube is slidingly and sealingly installed in the negative pressure pipe through the corrugated expansion pipe.

[0008] Compared with the prior art, the negative pressure weighing cover can conveniently and quickly adjust the height position of the workbench according to the height use requirements of different users, and is quickly limited and fixed, so that the negative pressure cover and the workbench are fixedly connected through the sleeve pipe, the height position of the negative pressure cover is synchronously adjusted with the workbench, the height position of the negative pressure cover and the workbench is fixed, and the best negative pressure adsorption effect can be maintained at all times. BRIEF DESCRIPTION OF DRAWINGS

[0009] The utility model is further illustrated in combination with the drawings.

[0010] Figure 1 It is the internal structure schematic diagram of the utility model.

[0011] Figure 2 It is the installation structure schematic diagram of the inner pipe. DETAILED DESCRIPTION

[0012] The utility model is described in detail in combination with specific implementation manners as follows:

[0013] As Figure 1 And Figure 2 The utility model discloses a workbench convenient adjustment type negative pressure weighing cover, including shell body 1, base 2, workbench 3, negative pressure cover 4, negative pressure pipe 5, bellows expansion pipe 6, connecting plate 7, guide rod 8, sleeve pipe 12 and sheep horn bolt 14, the base 2 is fixedly installed at the bottom of shell body 1, and four guide rods 8 are distributed in rectangle, and two ends are fixedly installed on shell body 1 and base 2 respectively, the workbench 3, connecting plate 7, sleeve pipe 12 are all sliding sleeve joint installations on guide rod 8, the upper and lower ends of guide rod 8 are fixedly connected with connecting plate 7 and workbench 3 respectively, negative pressure pipe 5, negative pressure cover 4 are fixedly installed on shell body 1 and connecting plate 7 respectively, the upper and lower ends of bellows expansion pipe 6 are fixedly connected with negative pressure pipe 5 and negative pressure cover 4 respectively, the both sides of shell body 1 are provided with longitudinal long round hole, the sheep horn bolt 14 is screwed and installed on workbench 3 through longitudinal long round hole, and the contact of the tightening sheep horn bolt 14 and the outer wall of shell body 1 can limit and fix workbench 3.

[0014] The both sides of shell body 1 are fixedly installed with antiskid rubber pad 13 to increase the friction between sheep horn bolt 14 and shell body 1, better antiskid limiting effect is achieved, and the up and down displacement problems of workbench 3 and negative pressure cover 4 are avoided in the use process.

[0015] The limiting sleeve 9 and spring 11 are fixedly sleeved and installed on the guide rod 8, the limiting sleeve 9 is locked and fixed on the guide rod 8 through the compression bolt 10, and the upper and lower ends of the spring 11 act on the workbench 3 and the limiting sleeve 9 respectively, so that the spring 11 can improve the elasticity when the user adjusts the position of the workbench 3 downward, and the user can save more labor when adjusting the workbench 3 upward.

[0016] The inner tube 15 is fixedly installed on the top of the negative pressure cover 4, and is slidingly and sealingly installed in the negative pressure pipe 5 through the corrugated expansion pipe 6, so as to avoid the adhesion of powder to the corrugated structure of the corrugated expansion pipe and the problem of powder falling when the negative pressure fan stops.

[0017] When the user needs to adjust the height of the workbench 3, the user loosens the two side gooseneck bolts 14, and adjusts the height position of the workbench 3 according to the actual use needs. After the adjustment is completed, the gooseneck bolts 14 are tightened to contact the outer wall of the outer shell 1, and the position of the workbench 3 is limited and fixed.

Claims

1. A workbench convenient adjustment type negative pressure weighing cover, characterized in that: The utility model provides a negative pressure type workbench, including outer shell (1), base (2), workbench (3), negative pressure cover (4), negative pressure pipe (5), corrugated telescopic pipe (6), connecting plate (7), guide rod (8), sleeve (12) and sheep horn bolt (14), base (2) fixed mounting is in the bottom of outer shell (1), four guide rods (8) are in rectangular distribution its two ends are fixed mounting on outer shell (1), base (2) respectively, workbench (3), connecting plate (7), sleeve (12) are all sliding sleeve joint installation on guide rod (8), the upper and lower ends of guide rod (8) are fixedly connected with connecting plate (7), workbench (3) respectively, negative pressure pipe (5), negative pressure cover (4) are fixedly installed on outer shell (1), connecting plate (7) respectively, the upper and lower ends of corrugated telescopic pipe (6) are sealed fixedly connected with negative pressure pipe (5), negative pressure cover (4) respectively, the both sides of outer shell (1) are provided with longitudinal long round hole, the sheep horn bolt (14) passes through longitudinal long round hole and is screw connected and is installed on workbench (3), and the outer wall of outer shell (1) is contacted with the sheep horn bolt (14) of screwing and can be positioned and fixed to workbench (3).

2. The bench convenient adjustment type negative pressure weighing cover according to claim 1, characterized in that: The both sides of outer shell (1) are fixedly provided with anti-skid rubber pad (13).

3. The bench convenient adjustment type negative pressure weighing cover according to claim 1, characterized in that: The guide rod (8) is fixedly sleeved and installed with limiting sleeve (9) and spring (11), the limiting sleeve (9) is locked and fixed on the guide rod (8) through the compression bolt (10), and the upper and lower ends of the spring (11) act on the workbench (3) and the limiting sleeve (9) respectively.

4. The bench scale convenient adjustment type negative pressure weighing cover according to claim 1, characterized in that: The negative pressure cover (4) is sealingly and fixedly installed with the inner tube (15) on the top, the inner tube (15) is slidingly and sealingly installed in the negative pressure pipe (5) through the corrugated telescopic pipe (6).

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