CN220972369U - Scribing and perforating device for condenser cylinder - Google Patents

Abstract

The utility model relates to the technical field of condenser cylinder processing, and discloses a scribing hole digger for a condenser cylinder, which is characterized in that a holding handle is rotated in advance according to the diameter of the condenser cylinder to bring two screw rod sleeves away, so that two sleeves can be opened to adapt to the diameter of the condenser cylinder conveniently, then an extension screw rod is rotated to enable the extension screw rod and a roller to move downwards, otherwise, the holding handle is rotated, the two rollers are attached to two sides of the condenser cylinder, a painting brush is limited in a fixed ring by utilizing a locking screw rod and a clamping piece, the two movable arms and the screw rod form an isosceles triangle shape, the fixed ring can be positioned on the central line of the condenser cylinder at any time, then the holding handle is pushed to transversely move, the painting brush in the fixed ring can conveniently draw the central line on the condenser cylinder, then the hole can be opened at a selected point on the central line, the central line of the hole can not deviate, and the purpose of conveniently scribing the hole is realized.

Description

Scribing and perforating device for condenser cylinder

Technical Field

The utility model relates to the technical field of condenser cylinder processing, in particular to a scribing and perforating device for a condenser cylinder.

Background

The condenser is a part of a refrigerating system, belongs to a heat exchanger, can convert gas or vapor into liquid, and can transfer heat in a pipe to air nearby the pipe in a quick manner, and the working process of the condenser is an exothermic process, so that the temperature of the condenser is higher.

The cylinder body of the condenser is cylindrical, and an auxiliary line for opening holes is drawn on the surface of the cylinder body in advance to ensure that the opening holes cannot deviate on the surface of the cylinder body, the center line of the cylinder body is drawn conventionally by a point drawing and connecting line method for drawing lines, but measurement errors exist during point drawing and connecting lines, and therefore the accuracy of pipe drawing lines is not guaranteed.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a lineation perforating device for a condenser cylinder, which has the advantage of convenient perforating and lineation, and solves the problems that the center line of the uniformly drawn cylinder is lineated by a point drawing and connecting method, but measurement errors exist during point drawing and connecting, and the lineation accuracy of a pipe is not guaranteed.

(II) technical scheme

In order to achieve the purpose of convenient perforation and scribing, the utility model provides the following technical scheme: the utility model provides a marking off trompil for condenser barrel, includes holds the handle, the equal fixed mounting in both ends of holding the handle has the lead screw, the outside threaded connection of lead screw has the lead screw cover, the bottom fixed mounting of lead screw cover has the sleeve, telescopic bottom fixed mounting has the nut, the inside threaded connection of nut has the extension screw, the outside cover of extension screw is equipped with the cylinder, the outside of extension screw just is located the equal fixed mounting of both sides of cylinder has the spacing ring, the equal fixed mounting in telescopic front and the back has hinge point one, hinge point one's inboard articulates there is the expansion arm, the other end swing joint of expansion arm has hinge point two, fixed mounting has solid fixed ring between the hinge point two, gu fixed ring's inner wall fixed mounting has the gasket, gu fixed ring's inside alternates there is the painting brush, gu fixed ring's surface is the thread bush, the inside threaded connection of thread bush has the locking screw, the one end movable mounting of locking screw has the clamping piece.

Preferably, the thread grooves of the two screw rods are formed in opposite directions.

Preferably, the tip of the extension screw extends into the interior of the sleeve.

Preferably, the shape of the roller is elliptical, and the two rollers are respectively positioned at two sides of the condenser cylinder.

Preferably, isosceles triangle shapes are formed among the holding handle, the screw rod, the movable arm and the fixed ring.

Preferably, the painting brush is placed between the gasket and the clamping piece, and the painting brush is detachably connected with the fixing ring through the threaded sleeve, the locking screw and the clamping piece.

Preferably, the number of the movable arms is four, and the movable arms are symmetrically distributed by taking the screw rods as axes.

(III) beneficial effects

Compared with the prior art, the utility model provides the scribing and perforating device for the condenser cylinder body, which has the following beneficial effects:

This marking off trompil for condenser barrel is kept away from through holding two lead screw sleeves according to condenser barrel diameter in advance rotation, two sleeves will open like this, in order to conveniently adapt to the diameter of condenser barrel, afterwards at the extension screw that rotates, let extension screw and cylinder move down, vice versa, two cylinders will laminate in the both sides of condenser barrel, utilize locking screw and clamping piece to restrict the painting brush in solid fixed ring, and two movable arms constitute isosceles triangle shape with the lead screw, can let solid fixed ring be located the central line of condenser barrel constantly, then promote and hold the handle, the painting brush can be very convenient draw the central line on the condenser barrel in the solid fixed ring, afterwards the trompil can select the spot trompil on the central line, guarantee that the trompil central line can not deviate, the convenient purpose of trompil marking off has been realized.

Drawings

FIG. 1 is a schematic diagram of the front structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

fig. 3 is a schematic top view of the present utility model.

In the figure: 1-holding handle, 2-lead screw, 3-lead screw sleeve, 4-sleeve, 5-nut, 6-extension screw, 7-roller, 8-limiting ring, 9-hinge point I, 10-movable arm, 11-hinge point II, 12-fixed ring, 13-gasket, 14-painting brush, 15-thread sleeve, 16-locking screw and 17-clamping piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a scribing and perforating device for a condenser cylinder comprises a holding handle 1, wherein screw rods 2 are fixedly arranged at two ends of the holding handle 1, and the screw grooves of the two screw rods 2 are opposite in opening direction, so that the two screw rod sleeves 3 can be separated or closed at the same time; the outside threaded connection of lead screw 2 has lead screw cover 3, and the bottom fixed mounting of lead screw cover 3 has sleeve 4, and the bottom fixed mounting of sleeve 4 has nut 5, and the inside threaded connection of nut 5 has extension screw 6, and extension screw 6's top extends to in the inside of sleeve 4.

Referring to fig. 1, rollers 7 are sleeved on the outer side of the extension screw 6, the outer shape of the rollers 7 is elliptical, and the two rollers 7 are respectively positioned on two sides of the condenser cylinder. And limiting rings 8 are fixedly arranged on the outer side of the extension screw 6 and on two sides of the roller 7.

Referring to fig. 2-3, a hinge point one 9 is fixedly installed on the front and back sides of the sleeve 4, movable arms 10 are hinged to the inner side of the hinge point one 9, and the number of the movable arms 10 is four and the movable arms are symmetrically distributed by taking the screw rod 2 as an axis. The other end of the movable arm 10 is movably connected with a second hinge point 11, a fixed ring 12 is fixedly arranged between the second hinge point 11, and an isosceles triangle is formed among the handle 1, the screw rod 2, the movable arm 10 and the fixed ring 12.

Referring to fig. 2-3, a spacer 13 is fixedly installed on the inner wall of the fixed ring 12, a painting brush 14 is inserted in the fixed ring 12, a threaded sleeve 15 is embedded on the surface of the fixed ring 12, a locking screw 16 is connected to the inner thread of the threaded sleeve 15, a clamping piece 17 is movably installed at one end of the locking screw 16, the painting brush 14 is placed between the spacer 13 and the clamping piece 17, and the painting brush 14 is detachably connected with the fixed ring 12 through the threaded sleeve 15, the locking screw 16 and the clamping piece 17.

Working principle: when the drawing tool is used, the holding handle 1 is rotated in advance according to the diameter of the condenser cylinder body to bring the two screw rod sleeves 3 away, so that the two sleeves 4 can be opened to be convenient for adapting to the diameter of the condenser cylinder body, then the extension screw rod 6 is rotated to enable the extension screw rod 6 and the roller 7 to move downwards, otherwise, the holding handle 1 is rotated, the two rollers 7 are attached to two sides of the condenser cylinder body, the drawing pen 14 is limited in the fixed ring 12 by utilizing the locking screw rod 16 and the clamping piece 17, the two movable arms 10 and the screw rod 2 form an isosceles triangle shape, the fixed ring 12 can be positioned on the central line of the condenser cylinder body at any time, then the holding handle 1 is pushed to transversely move, the drawing pen 14 in the fixed ring 12 can be conveniently drawn on the condenser cylinder body, then the hole can be opened at a selected point on the central line, the hole central line can not deviate, and the purpose of conveniently drawing the hole is realized.

By rotating the locking screw 16, displacement of the clamping piece 17 can be achieved, so that the painting brush 14 can be conveniently fixed on the spacer 13, and conversely, the painting brush 14 can be detached.

The extension screw rod 6 can be rotated to stretch and retract according to the diameter of the condenser barrel, the roller 7 can be well attached to the outer surface of the condenser barrel, meanwhile, the roller 7 is movably connected with the extension screw rod 6, and when the handle 1 is held to move, the resistance of the movable roller 7 can be reduced, so that the sliding continuity is ensured.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a marking off trompil for condenser barrel, includes holds handle (1), its characterized in that: the novel pen holder is characterized in that screw rods (2) are fixedly installed at two ends of the handle (1), screw rod sleeves (3) are fixedly connected to the outer sides of the screw rods (2) through threads, sleeves (4) are fixedly installed at the bottoms of the screw rod sleeves (3), nuts (5) are fixedly installed at the bottoms of the sleeves (4), extension screws (6) are connected to inner threads of the nuts (5), rollers (7) are sleeved on the outer sides of the extension screws (6) in a sleeved mode, limiting rings (8) are fixedly installed on the outer sides of the extension screws (6) and located on two sides of the rollers (7), hinge point one (9) is fixedly installed on the front face and the back of each sleeve (4), a movable arm (10) is hinged to the inner side of each hinge point one (9), hinge point two (11) are movably connected to the other end of each movable arm (10), a fixing ring (12) is fixedly installed between the hinge point two (11), a spacer (13) is fixedly installed on the inner wall of each fixing ring (12), a drawing ring (14) is inserted into each fixing ring (12), a surface of each fixing ring (12) is provided with a clamping screw rod (16), and one end of each clamping rod (16) is fixedly connected with a thread sleeve (16).

2. A scribed hole cutter for a condenser cylinder as claimed in claim 1, wherein: the thread grooves of the two screw rods (2) are formed in opposite directions.

3. A scribed hole cutter for a condenser cylinder as claimed in claim 1, wherein: the tip of the extension screw (6) extends into the interior of the sleeve (4).

4. A scribed hole cutter for a condenser cylinder as claimed in claim 1, wherein: the external shape of the roller (7) is elliptical, and the two rollers (7) are respectively positioned at two sides of the condenser cylinder.

5. A scribed hole cutter for a condenser cylinder as claimed in claim 1, wherein: an isosceles triangle is formed among the handle (1), the screw rod (2), the movable arm (10) and the fixed ring (12).

6. A scribed hole cutter for a condenser cylinder as claimed in claim 1, wherein: the painting brush (14) is arranged between the gasket (13) and the clamping piece (17), and the painting brush (14) is detachably connected with the fixed ring (12) through the threaded sleeve (15), the locking screw (16) and the clamping piece (17).

7. A scribed hole cutter for a condenser cylinder as claimed in claim 1, wherein: the number of the movable arms (10) is four, and the movable arms are symmetrically distributed by taking the screw rods (2) as axes.